Afero Y. Design and Build a New Student Registration Information System Supported by SMS Gateway at Alhira Middle School. Knowbase: Int. J. Knowl. Database [Internet]. 2021 Dec. 31 [cited 2025 Dec. 7];1(2):116-28. Available from: https://ejournal.uinbukittinggi.ac.id/index.php/ijokid/article/view/5031