“IMPROVING LEARNING OUTCOMES USING IPS LEARNING PROBLEM-BASED LEARNING APPROACH IN CLASS IV STUDENTS OF SDN 7 TELAGA BIRU GORONTALO DISTRICT”, Brit. Jour. of Glob. Eco. and Sust. Deve., vol. 11, pp. 28–40, Dec. 2022, Accessed: Jan. 31, 2026. [Online]. Available: https://journalzone.org/index.php/bjgesd/article/view/172