Nurcahaya, Muhammad Yunan Harahap, Alda Khairiah. TEACHER AND PARENT COLLABORATION IN OVERCOMING STUDENT MORAL DEGRADATION IN 024774 SOUTH BINJAI DISTRICT. IJMDS [Internet]. 2026 Feb. 15 [cited 2026 Oct. 6];5(1):268-79. Available from: https://jurnal.asrypersadaquality.com/index.php/ijmds/article/view/901