L. Nailufar, B. . Witjaksana, and E. . Wulandari, “ANALYSIS OF PROJECT ENFORCEMENT DELAYS WITH THE EARNED VALUE METHOD: (Case study: Office of Bahtera Elang Perak Indonesia Surabaya)”, Int. J. Adv. Technol. Eng. Inform. Syst., vol. 3, no. 3, pp. 317–330, Jul. 2024.