Nawanir, Gusman, Mohammed Binalialhajj, Kong Teong Lim, and Mohd Hanafiah Ahmad. “Becoming Lean: The Way towards Sustainability of Higher Educations Institutions”. KnE Social Sciences 3, no. 22 (August 18, 2019): 603–626. Accessed March 29, 2024. https://knepublishing.com/index.php/KnE-Social/article/view/5078.