Thongsanit, Kanjana, Kanokwan Kantangkul, and Thonphakkhaon Nithimethirot. “Nurse’s Shift Balancing in Nurse Scheduling Problem”. Science, Engineering and Health Studies 10, no. 1 (April 28, 2016): 43–48. Accessed May 6, 2024. https://li01.tci-thaijo.org/index.php/sehs/article/view/55930.