Ismail, N., M. H. . Abd Wahabb, W. N. A. . Asnida Wan Mohammad Asric, and H. . Azmi. “HARMONIZATION OF LINEAR-SEQUENTIAL LIFE CYCLE AND USE CASE DIAGRAM AS DEVELOPING MODELS OF E-TAHFIZ SYSTEM”. International Journal of Advanced Computer Systems and Software Engineering, vol. 2, no. 2, May 2021, pp. 1-7, https://journal.scientiaca.org/index.php/ijacsse/article/view/32.