Hasanah, Fitria Nur, and Rahmania Sri Untari. “Buku Ajar Mata Kuliah Basis Data”. Umsida Press (August 28, 2021): 1-105. Accessed May 24, 2024. https://press.umsida.ac.id/index.php/umsidapress/article/view/978-602-5914-89-8.