syed shah alam, mohd fairuz md salleh, mohammad masukujjaman, mohammed emad al-shaikh, nurkhalida makmor, zafir khan mohamed makhbul.  (2022).  relationship between entepreneurial orientation and business performance among malay-owned smes in malaysia : a pls analysis.  - sustainability.  1-16. 

qing yang, naeem hayat, abdullah al mamun, zafir khan mohamed makhbul, noor raihani zainol.  (2022).  sustainable customer retention through social media marketing activities: using hybrid sem-neural network approach.  - plos one.  1-23. 

naeem hayat, abdullah al mamun, anas a. salameh, qing yang, noor raihani zainol, zafir khan mohamed makhbul.  (2022).  a fuzzy set analysis of conservative agriculture practices adoption: role of farmer orientations and attitude.  - frontiers in psychology.  1-12. 

suguna sinniah, abdullah al mamun, mohd fairuz md. salleh, zafir khan mohamed makhbul, naeem hayat.  (2022).  modelling the significance of motivation on job satisfaction and performance among the academicians: the use of hybrid structural equation modeling-artificial neural network analysis.  - frontiers in psychology.  1-14. 

sulaiman mohammed khalid, khairul anuar mohd ali, zafir khan mohamed makhbul, mohd helmi ali, siti daleela mohd wahid.  (2021).  exploring the effects of a modified higher education performance service quality model on organisational sustainability: the case of malaysian polytechnics.  - sustainability.  1-20. 

kim hua tan, mohd helmi ali, zafir mohd makhbul & azman ismail.  (2017).  the impact of external integration on halal food integrity.  - supply chain management: an international journal.  186-199.