muhammad rizal razman, jamaluddin md. jahi, mazlin mokhtar, kadir arifin, abdul samad hadi, zuliskandar ramli, kadaruddin aiyub, sharifah zarina syed zakaria, shaharuddin idrus and ahmad fariz mohamed.  (2013).  a study on statutory implied terms on malaysian sale of goods act, 1957: focusing on interest approach towards sustainable development.  - international business management.  7(3):135-139. 

sharifah zarina syed zakaria, nor alina mohamad roslan, mazlin mokhtar, abdul samad hadi, muhammad rizal razman, jamaluddin md. jahi, zuliskandar ramli and norul hajar nordin.  (2013).  environmental management in dealing with dengue fever cases towards urban sustainability: study on the prevention and control of infectious diseases act 1998 (act 342).  - the social sciences.  8(4):295-299. 

zarrintaj aminrad, sharifah zarina sayed zakariya, abdul samad hadi, mahyar sakari.  (2013).  relationship between awareness, knowledge and attitudes towards environmental education among secondary school students in malaysia.  - world applied sciences journal.  22(9):1326-1333. 

muhammad rizal razman, jamaluddin md. jahi, mazlin mokhtar, kadir arifin, abdul samad hadi, zuliskandar ramli, kadaruddin aiyub, sharifah zarina syed zakaria, shaharuddin idrus & ahmad fariz mohamed.  (2013).  a study on the interest approach towards sustainable development through the law of tort focusing on private nuisance.  - the social sciences.  8(4):327-334. 

aminrad, z; zakariya, szbs; hadi, as; sakari, m.  (2012).  environmental education in malaysia, progresses and challenges ahead (review).  - life science journal-acta zhengzhou university overseas edition.  9(2):1149-1154. 

muhammad rizal razman, jamaluddin md. jahi, sharifah zarina syed zakaria, abdul samad hadi, kadir arifin, kadaruddin aiyub and azahan awang.  (2012).  environmental awareness towards sustainable development through the principle of tranboundary liability: international environmental law perspectives.  - research journal of applied sciences.  7(3):194-198. 

mohd hairy ibrahim, jamaluddin md. jahi, abdul samad hadi.  (2012).  trends of urban climatology changes in ipoh city, malaysia with special refernces on the temparature of urban areas.  - social sciences.  7(4):535-538. 

mohd hairy ibrahim, jamaluddin md. jahi, abdul samad hadi.  (2012).  trends of urban climatology changes in ipoh city, malaysia with special references on the temperature of urban areas.  - the social sciences.  7(4):535-538. 

muhammad rizal razman, jamaluddin md. jahi, sharifah zarina syed zakaria, abdul samad hadi, kadir arifin, kadaruddin aiyub and azahan awang.  (2012).  law of private nuisance as a tool of environmental awareness in malaysia towards sustainable development.  - international business management.  6(2):270-276. 

muhammad rizal razman, jamaluddin md. jahi, sharifah zarina syed zakaria, abdul samad hadi, kadir arifin, kadaruddin aiyub and azahan awang.  (2012).  the law of negligence towards environmental awareness and sustainability in malaysia.  - the social sciences.  7(5):653-658. 

sharifah zarina syed zakaria, abdul samad hadi, muhammad rizal razman, kadir arifin, kadaruddin aiyub & azahan awang.  (2012).  interest approach in environmental awareness and sustainability: a study on the precautionary principle.  - research journal of applied sciences.  7(2):132-137. 

muhammad rizal razman, azrina azlan, jamaluddin md jahi, abdul samad hadi, abdul hadi harman shah, ahmad fariz mohamed, shaharudin idrus, kadir arifin, kadaruddin aiyub and azahan awang.  (2011).  interest approach and principle of trans boundary liability in the basel convention: focusing on the international environmental law and governance.  - journal of food, agriculture & environment.  9(1):479-482. 

mohd hairy ibrahim, jamaluddin md. jahi, abdul samad hadi & khairi ariffin.  (2011).  menyingkap perkembangan perbandaran ipoh menjadi sebuah bandaraya.  - sari (jurnal antarabangsa alam dan tamadun melayu).  29(2):149-166. 

zarrintaj aminrad, sharifah zarina binti syed zakaria and abdul samad hadi.  (2011).  influence of age and level of education on environmental awareness and attitude: case study on iranian students in malaysian universities.  - the social sciences.  6(1):15-19. 

zurina mahadi, abdul samad abdul hadi, hukil sino.  (2011).  public sustainable development values: a case study in sepang, malaysia.  - journal of sustainable development.  4(2):154-166. 

choon, s.-w., siwar, c., pereira, j.j., jemain, a.a., hashim, h.s., hadi, a.s..  (2011).  a sustainable city index for malaysia.  - international journal of sustainable development and world ecology.  18(1):28-35. 

muhammad rizal razman, norsham abdul latip, jamaluddin md jahi, abdul samad hadi, abdul hadi harman shah, kadir arifin, kadaruddin aiyub, azahan awang, shaharudin idrus and ahmad fariz mohamed.  (2011).  law of tort on private nuisance in urban sustainability: legal perspectives.  - social sciences.  6(4):318-322. 

muhammad rizal razman, jamaluddin md jahi, kadir arifin, abdul samad hadi, kadaruddin aiyub, abdul hadi harman shah, ahmad fariz mohamed, shaharudin idrus, azahan awang and nor fairuz abu bakar.  (2011).  sustainability for better living environment of the environmental consumer: study on international law and governance by focusing the interest approach in the montreal protocol through harmonising.....  - research journal of applied sciences.  6(7):532-539. 

m. rizal razman, a. samad hadi, jamaluddin m. jahi, a. hadi harman shah, sham sani and ghazali yusoff.  (2010).  a study on the precautionary principle by using interest approach in the negotiations of the montreal protocol focusing on the international environmental governance and law.  - journal of food, agriculture & environment.  8(1):372-377. 

muhammad rizal razman, abdul samad hadi, jamaluddin md. jahi, a. hadi harman shah, ahmad fariz mohamed, shaharuddin idrus, kadir arifin, kadaruddin aiyub and azahan awang.  (2009).  the international law mechanisms to protect human habitat and environment: focusing on the principle of transboundary liability.  - international business management.  3(3):43-46. 

muhammad rizal razman, abdul samad hadi, jamaluddin md. jahi, kadir arifin, kadaruddin aiyub, azahan awang, a. hadi harman shah, ahmad fariz mohamed and shaharuddin idrus.  (2009).  the legal approach on occupational safety, health and environmental management: focusing on the law of private nuisance and international labour organisation (ilo) decent work agenda.  - international business management.  3(3):47-53. 

m. rizal razman, a. samad hadi, jamaluddin m. jahi, a. hadi harman shah, sham sani and ghazali yusoff.  (2009).  a study on negotiations of the montreal protocol: focusing on global environmental governance specifically on global forum of the united nations environmental programme.  - journal of food, agriculture & environment.  7(3-4):832-836.