mohammed saleh hameed, ismar m. s. usman, m.m tahir, hayder saadoon abdulaali, haroon ahmed matloob.  (2021).  the impact of landscape on health performance.  - design engineering.  8362-8376. 

toh lai fun, ismar m.s usman, nangkula utaberta, a.r.m ariffin, roslina sharif.  (2021).  the importance and potential of golden ratio in architecture design.  - journal of xi'an university of architecture & technology.  477-502. 

hasnizan aksah, suhana johar, ismar ms usman, adi irfan che ani.  (2021).  design and implementation of content validity: instrument development for evaluating functional building performance.  - wseas transactions on environment and development.  973-982. 

hayder saadoon abdulaali, ismar usman, marlia mohd hanafiah, mahmood jamal abdulhasan, mushtaq talib hamzah, amani akar nazal.  (2020).  impact of poor indoor environmental quality (ieq to inhabitants' health, wellbeing and satisfaction.  - international journal of advanced science and technology.  1284-1296. 

hayder saadoon abdulaali, marlia m. hanafiah, ismar usman, nurul umairah, mahmood jamal abdulhasan.  (2020).  a review on geen hotel rating tools,indoor environmental quality (ieq) and human comfort (ieq) and human comfort.  - international journal of advanced science and technology.  128-157. 

norsafiah norazman, adi irfan che-ani, mohd zulkifli hassan, ismar m.s. usman, afaq hyder chohan.  (2020).  maintenance strategic plan for school buildings in malaysia from the owner's and technical's perspectives.  - solid state technology.  3050-3060. 

hayder saadoon abdulaali,ismar minang satotoy usman,marlia mohd. hanafiah,jean elfira basung,mahmood jamal abdulhasan.  (2020).  online review analysis of perceived indoor environmental quality (ieq) at former green certified hotels in kuala lumpur, malaysia.  - journal of xi'an university of architecture & technology.  659-670. 

rozaimi a samad, ismar minang satotoy usman, sudarshan n raman.  (2020).  a review on construction of additional building school using industrialized building system (ibs) in sarawak, malaysia.  - journal of xi'an university of architecture & technology.  706-716. 

hayder saadoon abdulaali, ismar m.s. usman, mais r.k. al-ruwaishedi.  (2019).  a review on sustainable and green development in the tourism and hotel industry in malaysia.  - journal in advanced research in dynamical and control system.  854-867. 

a.m.a. shah, n.m. tawil, k. zainal, a.i. che-ani, i.m.s. usman.  (2016).  efficiency evaluation model for higher education learning space.  - journal of engineering and applied sciences.  1582-1585. 

siti f. m. lias, norngainy m. tawil, ismar .m. s. usman, azrul a. mutalib.  (2016).  socio-spatial integration of landscape back lane of housing at bandar baru nilai: privacy and community.  - journal of engineering science and technology.  673-682. 

n. mohamad, h. abdul rahman, i. m. usman & n. m. tawil.  (2015).  ethics education and training for construction professionals in malaysia.  - asian social science.  55-64. 

b. hassanpour, a.i. che-ani, i. m. s. usman, s. johar, n.m. tawil.  (2015).  lifelong learning in architecture design studio: the learning contract approcah.  - international education studies.  1-8. 

i.m.s. usman , m.f.m. zain , m. surat , m.m. tahir , r. rofiei and n. mohamad.  (2015).  safety level of shophouse`s back-lane in malaysia.  - the social sciences.  46-50. 

ims usman, r.rofeai, a.i.che ani, m.f.m zain.  (2014).  restudy the needs and functions of shophouse`s back lane in malaysia.  - international business management.  308-311. 

n.i. mohamad; n.m. tawil; i.m. usman; m.m. tahir.  (2014).  identifying critical factors of sale failure on commercial property types, shop houses by using multi attribute variable technique.  - research journal of applied sciences, engineering and technology.  3230-3235. 

n.m. tawil, s.f. md lias, i.m.s. usman, n.i.m. yusoff, a.i. che ani, k.a. kosman.  (2013).  evolution of back lane design: a view of terrace housing in malaysia.  - asian social science.  9(15):277-288. 

m.f.i. mohd-nor, i.m.s. usman, m. mazlan-tahir.  (2009).  how the professional practice and the architecture education in malaysia is catching up with the development of cad.  - european journal of social sciences.  9(4):677-683. 

n.m. tawil, a. ramly, a.i. che-ani, i.m.s usman, m.m. tahir, m.f.m. zain, a. zaharim.  (2009).  service charge collection of high-rise residential in kuala lumpur, malaysia; owner`s perspective.  - european journal of sosial sciences.  10(1):7-12. 

ja`afar n.h., usman i.m.s..  (2009).  physical and transportation elements of traditional street in malaysia.  - european journal of social sciences.  9(4):669-676. 

a. r. ismail. n. jusoh, k. sopian, i.m.s. usman, r. zulkifli, m.n.a. rahman.  (2009).  thermal comfort assessment: a study at malaysia car manufacturer.  - european journal of scientific research.  27(4):510-523.