Kamaruddin, Hasnur, Khairil Bariyyah Hassan, Zuraini Ayop, and Sharifah Zuraidah Syed Abdul Jalil. 2020. “An Integer Programming Approach for Locating Preschool of Children With Disability in Kuala Selangor”. Selangor Science & Technology Review (SeSTeR) 4 (1), 14 - 22. https://sester.journals.unisel.edu.my/ojs/index.php/sester/article/view/151.