SILFANAH, Kofifah; SARTIKA, Septi Budi. The Validity of Question Items on The Material of Animal and Plant Reproduction in 9th Grade Secondary School. Proceeding International Conference on Lesson Study, [S. l.], v. 1, n. 1, p. 75–83, 2023. DOI: 10.30587/icls.v1i1.6519. Disponível em: https://journal.umg.ac.id/index.php/icls/article/view/6519. Acesso em: 7 jun. 2025.