SUMIATININGSIH; EFENDI, N. . The Student Problem Solving Skills in Science Subjects Based on Class Rankings : Keterampilan Pemecahan Masalah Siswa Pada Mata Pelajaran IPA Berdasarkan Peringkat Kelas . Academia Open, [S. l.], v. 5, p. 10.21070/acopen.5.2021.2240, 2021. DOI: 10.21070/acopen.5.2021.2240. Disponível em: https://acopen.umsida.ac.id/index.php/acopen/article/view/2240. Acesso em: 10 sep. 2025.