PUTRI, M. L.; SYOFYAN, H. 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. Efektor, v. 10, n. 2, p. 263-273, 3 Des 2023.