“QUALITY OF SERVICE AT THE YOS SUDARSO FLATS, MERANTI PANDAK RUMBAI VILLAGE, PEKANBARU”. VARIABLE RESEARCH JOURNAL 2, no. 03 (July 20, 2025): 841–850. Accessed January 9, 2026. https://variablejournal.my.id/index.php/VRJ/article/view/230.