Yenni S. Manalu, Menisahati Laia, Gresia Novelita Girsang, Gelora Hasibuan, Meikardo Samuel Prayuda. The Effect of Problem Based Learning (PBL) Method in Improving Students’ Learning Interest in Science Learning in Grade V Elementary School. IJAA [Internet]. 2025 Feb. 23 [cited 2025 Sep. 8];1(04):110-5. Available from: https://ejournal.pustakakaryamandiri.com/ojs/index.php/ijaa/article/view/116