YARID, Hatta; ARISWAN, Ariswan. Pengembangan perangkat pembelajaran fisika problem based learning melalui kegiatan fieldtrip pada materi energi. Jurnal Inovasi Pendidikan IPA, [S. l.], v. 2, n. 1, p. 24–34, 2016. DOI: 10.21831/jipi.v2i1.8374. Disponível em: https://journal.uny.ac.id/index.php/jipi/article/view/8374. Acesso em: 17 may. 2025.