FARAH AMARA VALIO; ANNISA NURUL AMALIA; HILWA SYAMILA HAQ; AHMAD SURYADI; FUJI HERNAWATI KUSUMAH. Comparative Study of Light-Dark Patterns on CDs (Compact Disks) and Leek Stems as Simple Gratings in Diffraction Grating Practicals. Jurnal Penelitian Pendidikan Indonesia (JPPI), Indonesia, v. 1, n. 2, p. 312–316, 2023. DOI: 10.62017/jppi.v1i2.561. Disponível em: https://jurnalistiqomah.org/index.php/jppi/article/view/561.. Acesso em: 21 aug. 2025.