Sapiri, Hasimah and Kamil, Anton Abdulbasah and Mat Tahar, Razman and Tumin, Hanafi (2011) System dynamics approach in analyzing impact of demographic and salary risks on pension expenditure. African Journal of Business Management, 5 (3). pp. 902-909. ISSN 1993-8233

Ishak, Saiful Azril and Mohd Johar, Sarah Nadirah and Mohamad, Arwin Idham and Tumin, Hanafi (2018) The estimation of medical cost for Ischemic heart disease. In: 3 rd UUM International Qualitative Research Conference (QRC), 10-12 July 2018, Melaka, Malaysia.