Aniawanis Makhtar, S. M. . Syed Elias, and S. Z. . Zurkefili. “AN ASSOCIATION BETWEEN SLEEP QUALITY AND FUNCTIONAL STATUS AMONG OLDER PEOPLE IN AGRICULTURAL PLANTATION”. INTERNATIONAL JOURNAL OF ALLIED HEALTH SCIENCES, vol. 3, no. 3, Dec. 2019, pp. 750-, doi:10.31436/ijahs.v3i3.310.