Developing Physics History Teaching Material through Yakin Enggak Sulit (SERFIS YES) Based on Graphic Learning Media for the Students at Physics Department of Unismuh Makassar. JPF [Internet]. 29 Januari 2019 [dikutip 1 Agustus 2026];7(1):89-101. Tersedia pada: https://journal.unismuh.ac.id/index.php/jpf/article/view/1739