[1]
Usri, W.R. and Fitria, Y. 2023. Achievement of Student Learning Competencies Using Problem Based E-Book in Primary School . Tunas: Jurnal Pendidikan Guru Sekolah Dasar. 9, 1 (Dec. 2023), 15–23. DOI:https://doi.org/10.33084/tunas.v9i1.6406.