Andriani, Dian Sri, Rani Mega Putri, and Ardi Saputra. 2024. “THE EFFECT OF EDUCATIONAL BACKGROUND ON THE QUALITY OF LIFE OF THE PRE-ELDERLY POPULATION”. Jurnal Biometrika Dan Kependudukan 13 (1):80-89. https://doi.org/10.20473/jbk.v13i1.2024.80-89.