Nakvachiratrakul, Chantra, and Manoch Junkrut. 2015. “Maintenance efficiency improvement for chilled water system by reliability centered maintenance: A case study of chilled water system for plastic injection molding”. Thai Industrial Engineering Network Journal 1 (2):32-42. https://ph02.tci-thaijo.org/index.php/ienj/article/view/180365.