GUNAWAN, Wawan; ATIQOH, Atiqoh; WIYARNO, Yoso; SUHARTI, Suharti; RUSMAWATI, Retno Danu. 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: 29 jun. 2026.