[1]
Pohan, W.H. et al. 2023. Analisis Managemen Waktu terhadap Konsentrasi Belajar Matematika Kelas VIII. Jurnal Basicedu. 7, 1 (Feb. 2023), 779–786. DOI:https://doi.org/10.31004/basicedu.v7i1.4580.