HIDAYATI, A.; MUSTAJI, M.; SUGIHARTO, H. Pengembangan Lembar Kerja Peserta Didik Berbasis Praktikum Model Problem Based Pada Pembelajaran IPS. The Indonesian Journal of Social Studies, [S. l.], v. 2, n. 1, p. 51–58, 2019. DOI: 10.26740/ijss.v2n1.p51-58. Disponível em: https://journal.unesa.ac.id/index.php/jpips/article/view/5301. Acesso em: 27 apr. 2024.