BR GINTING, F. .; SIDABUTAR, H. . Development of LKPD assisted by phet simulation on material form of energy and their changes to improve creative thinking ability of students at SMP Negeri 2 Sunggal. Educenter : Jurnal Ilmiah Pendidikan, [S. l.], v. 1, n. 9, p. 632–640, 2022. DOI: 10.55904/educenter.v1i9.393. Disponível em: https://jurnal.arkainstitute.co.id/index.php/educenter/article/view/393. Acesso em: 2 dec. 2024.