Muhammad Hafizzuddin Md Teni, and Ahmad Zuhair Amani Azhar. 2026. “INNOVATING PROCUREMENT OPERATIONS: AN INTEGRATED PURCHASE ORDER MANAGEMENT IN THE PURCHASING DEPARTMENT”. Jurnal Kejuruteraan, Teknologi and Sains Sosial (JKTSS) 12 (1):395-406. https://jktss.puo.edu.my/jurnalpuo/index.php/jurnal/article/view/344.