Ronalia Ronalia. 2024. “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 ”. Jurnal Sadewa : Publikasi Ilmu Pendidikan, Pembelajaran Dan Ilmu Sosial 2 (2):48-56. https://doi.org/10.61132/sadewa.v2i2.741.