Supapasri B, Suwanwech K, Jai-on K. EFFECTS OF CO - 5 STEPS TEACHING APPROACH ON SOCIAL STUDIES, RELIGION CULTURE ESSENCE GROUP LEARNING ACHIEVEMENT AND ACTIVE CITIZENS OF GRADE 5 STUDENTS. J.TNSU [internet]. 2025 Jan. 26 [cited 2026 Sep. 19];17(1):217-28. available from: https://he02.tci-thaijo.org/index.php/TNSUJournal/article/view/266541