et.al, Mohamad Rosni Othman. 2021. “The Sustainability Stimulus of Malaysian Seaport Cluster Toward Competitive Vigilance: The Total Quality Management (TQM) Approach”. Turkish Journal of Computer and Mathematics Education (TURCOMAT) 12 (3):1636-46. https://turcomat.org/index.php/turkbilmat/article/view/983.