Mohamad Zain, Shaharir Mohamad Zain. “A REVIEW ON SUSTAINABILITY AS AN OPTIMIZATION PROBLEM”. KATHA- The Official Journal of the Centre for Civilisational Dialogue 10, no. 1 (August 23, 2017): 1–15. Accessed November 22, 2024. https://katha.um.edu.my/index.php/KATHA/article/view/5808.