1.
Salim OC, Sudharma NI, Kusumaratna RK, Hidayat A. Validitas dan reliabilitas World Health Organization Quality of Life-BREF untuk mengukur kualitas hidup lanjut usia. Univ Med [Internet]. 2007 Apr. 27 [cited 2024 Apr. 27];26(1):27-38. Available from: https://univmed.org/ejurnal/index.php/medicina/article/view/293