Muhammad Holid, Fathor Rozi, Baharun H. Principals’ Role in the Application of Reward and Punishment Systems for Promoting Student Discipline in Pesantren-Based Schools. jemr [Internet]. 2025 Mar. 31 [cited 2025 Oct. 27];4(1):293-307. Available from: http://serambi.org/index.php/jemr/article/view/877