Triyono A, Amidasti D. SATISFACTION ANALYSIS OF MEMBERS OF THE PALM OIL COOPERATIVE (KOPSA) USAHA MANUNGGAL SERESAM VILLAGE, SEBERIDA DISTRICT, INDRAGIRI HULU REGENCY RIAU PROVINCE. ICOBUSS [Internet]. 2025Dec.17 [cited 2026Sept.12];5(1):438-4. Available from: https://ojsicobuss.stiesia.ac.id/index.php/icobuss1st/article/view/689