Prasetyaningrum E, Sapitri AWS, Yunita S. DECISION SUPPORT SYSTEM SOCIAL MEDIA SELECTION IN PURCHAS-ING DECISIONS IN KOTIM USING TOPSIS METHOD. JURTEKSI [Internet]. 2024Jun.29 [cited 2025Sep.19];10(3):531 -536. Available from: https://jurnal.stmikroyal.ac.id/index.php/jurteksi/article/view/3036