Rahmawati, Novi, Auliatul Azizah, Nabila Salsabila, Vivi Sholehatennafiah, Hanim Isti Fadah, Riya Safitri, Sabrina Kaneishia, Sinta Mayasari, Niken Noviana Mahmudyah, Subiki, and I Ketut Mahardika. 2024. “Problem-Based Learning (PBL) Physics Teaching Books Newton’s Gravity Force”. AMPLITUDO : Journal of Science and Technology Innovation 3 (1):9-14. https://doi.org/10.56566/amplitudo.v1i1.83.