Akhund, Muhammad Akram, Aftab Hameed Memon, Hafiz Usama Imad, Fida Hussain Siddiqui, and Ali Raza Khoso. “Motivational Factors for the Implementation of ISO-9001 in Construction Firms of Pakistan”. Civil Engineering Journal 4, no. 9 (September 24, 2018): 2023–2033. Accessed June 24, 2025. https://www.civilejournal.org/index.php/cej/article/view/987.