Roymon Panjaitan, Tantik Sumarlin, and Myra Andriana. “Sistem Informasi Manajemen Time Study”. Penerbit Yayasan Prima Agus Teknik 7, no. 1 (December 1, 2021): 1–69. Accessed November 24, 2024. https://penerbit.stekom.ac.id/index.php/yayasanpat/article/view/294.