Fahrur A, Haryanto B. The Role of School Committees and Associations in Supporting Competitive Advantage in Muhammadiyah Elementary School 2 Krian. jims [Internet]. 2023Aug.28 [cited 2024May2];50:10.21070/jims.v5i0.1583. Available from: https://jims.umsida.ac.id/index.php/jims/article/view/1583