D. H. Marisda, A. D. Sultan, S. Basri, I. S. Tahir, and N. Nurjannah, “Digital-Based Photoelectric Effect Practicum Toolkit: Curriculum and Student Analysis”, jppipa, pendidikan ipa, fisika, biologi, kimia, vol. 9, no. 11, pp. 9410–9415, Nov. 2023.