“Pengembangan Bahan Ajar E-Book Berbasis Pendekatan Saintifik Pada Mata Pelajaran IPA Kelas 3 SD: Development of E-Book Teaching Materials Based on the Scientific Approach to Science Subjects for Grade 3 Elementary School” (2023) Efektor, 10(2), pp. 263–273. doi:10.29407/e.v10i2.20640.