S. Hassan, N. Farhana, S. Aishah, S. Mahirah, and K. Firdaus Jimisiah. J, “Evaluating critical success factors and level of challenges in project life cycle (PLC)”, IJET, vol. 7, no. 2.29, pp. 67–68, May 2018, doi: 10.14419/ijet.v7i2.29.13131.