RAHMAWATI, Novi et al. Problem-Based Learning (PBL) Physics Teaching Books Newton’s Gravity Force. AMPLITUDO : Journal of Science and Technology Innovation, [S. l.], v. 3, n. 1, p. 9–14, 2024. DOI: 10.56566/amplitudo.v1i1.83. Disponível em: https://journals.balaipublikasi.id/index.php/amplitudo/article/view/83. Acesso em: 22 nov. 2024.