Ismail, W. M., Zainuddin Awang, and Idayubadilla Idris. “EXPLORING AND DEVELOPING ITEMS MEASURING QUALITY OF LIFE CONSTRUCT AMONG HEART FAILURE PATIENTS: A CASE OF MALAYSIA”. Malaysian Journal of Public Health Medicine, Vol. 22, no. 1, Apr. 2022, pp. 48-55, doi:10.37268/mjphm/vol.22/no.1/art.825.