NORLIYANA KAMARUDIN, BANY-ARIFFIN, A. N, HUSSIN YUSOF, YUSNITA TUGIRAN, ASRIZAM ESAM, and YUSHAIDA YUSOF, “Analysing the Importance of Demographic Factor as Determinant of Research Efficiency through Data Envelopment Analysis”, Int. j. bus. econ. aff., vol. 3, no. 3, Aug. 2018.