IMPLEMENTATION OF PROBLEM BADES LEARNING (PBL) BASED LESSON STUDY (LS) MODEL TO IMPROVE COGNITIVE LEARNING OUTCOMES VIII STUDENTS OF TONDANGOW CHRISTIAN JUNIOR HIGHT SCHOOL. Novateur Publications, [S. l.], p. 1–10, 2023. Disponível em: https://novateurpublication.org/index.php/np/article/view/173. Acesso em: 14 oct. 2025.