GUNAWAN, W.; ATIQOH, A.; WIYARNO, Y. .; SUHARTI, S.; RUSMAWATI, R. D. . The Influence Of PBL Models, Demonstrations And Initial Knowledge On Increasing Learning Achievement. Education Journal : Journal Educational Research and Development, [S. l.], v. 7, n. 2, p. 268–279, 2024. DOI: 10.31537/ej.v7i2.1287. Disponível em: https://jurnal.unipar.ac.id/index.php/ej/article/view/1287. Acesso em: 10 mar. 2025.