Development and Students’ Perception on Teaching Aids of Photoelectric Effect Experiment Using Leds. Jurnal Pendidikan Fisika, [S. l.], v. 7, n. 3, p. 253–261, 2019. DOI: 10.26618/jpf.v7i3.2332. Disponível em: https://journal.unismuh.ac.id/index.php/jpf/article/view/2332. Acesso em: 26 aug. 2025.