Elfina, H. , Muthawali, D.I. , Marito, W. , Ramadhani, R. , Siregar, R.F. and Riani, N. 2025. Pelatihan Penggunaan Autograph Pada Materi Program Linier Di Mas Plus Al Ulum Medan. Journal Of Human And Education (JAHE). 5, 1 (Feb. 2025), 438–443. DOI:https://doi.org/10.31004/jh.v5i1.2215.