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 ”. Jurnal Sadewa : Publikasi Ilmu Pendidikan, Pembelajaran Dan Ilmu Sosial, vol. 2, no. 2, Apr. 2024, pp. 48-56, doi:10.61132/sadewa.v2i2.741.