Nining Sariyyah, Agustina Sura Langkamau. APPLICATION OF PBL MODEL TO IMPROVE STUDENTS’ LEARNING ACTIVITIES IN SCIENCE SUBJECT CLASS V SDI ENDE 9 . HJ [Internet]. 2024 Aug. 15 [cited 2025 Sep. 4];2(03):899-905. Available from: https://humasjournal.my.id/index.php/HJ/article/view/354