Pasaribu YH, Sari L, Sinaga WA. Identification of Student Misconceptions on Photoelectric Effect Materials Using Four-Tier Diagnostic Test. GRDIS [Internet]. 2025 Jan. 1 [cited 2026 May 10];5(1):22-7. Available from: https://goldenratio.id/index.php/grdis/article/view/846