Rahayu T, Triyono A. THE EFFECT OF TANGIBILITY, REALIABLE, RESPONSIVENESS, ASSURANCE, AND EMPATHYON THE PERFORMANCE OF COOPERATIVE MANAGEMENT (STUDY ON PALM OIL COOPERATION (KOPSA) IN SEBERIDA DISTRICT, INDRAGIRI HULU DISTRICT). jmbi [Internet]. 30 Juni 2024 [dikutip 27 April 2025];13(1):24-38. Tersedia pada: https://journal.itbind.ac.id/index.php/jmbi/article/view/174