N. F. A. LOKMAN, A. H. HAMIRUDIN, S. SIDEK, N. ZAINUDIN, and N. A. A. RAHMAN, “B VITAMINS INTAKE AND COGNITIVE STATUS AMONG ELDERLY IN AGRICULTURAL SETTLEMENTS”, Inter. J. All. Heal. Sci., vol. 3, no. 2, pp. 683–693, Aug. 2019.