Muhammad Kashif Khan, Syed Zaffar Iqbal, and Palwasha Khalid. “ANALYZING CHALLENGES IN ESTIMATING TIME AND COST IN SOFTWARE PROJECTS”. Spectrum of Engineering Sciences 3, no. 7 (July 24, 2025): 947–959. Accessed August 13, 2025. https://www.sesjournal.com/index.php/1/article/view/677.