Ronalia Ronalia. Increasing Motivation And Cognitive Learning Outcomes Of Grade 4 Elementary School Students In Science Subjects, Material On Changes In Form Of Objects Through The Project Based Learning (PjBL) Learning . Sadewa [Internet]. 2024 Apr. 19 [cited 2025 Jan. 16];2(2):48-56. Available from: https://journal.aripi.or.id/index.php/Sadewa/article/view/741