Boonrad Boonradsamee และ Watcharawalee Tangkuptanon. (2018) Preventive maintenance system development project management: A case study in a medium scale industrial factory. <i>Journal of Thai Interdisciplinary Research</i>, <i>13</i>(6), 31.Boonrad Boonradsamee และ Watcharawalee Tangkuptanon. "Preventive maintenance system development project management: A case study in a medium scale industrial factory". Journal of Thai Interdisciplinary Research 13 (2018):31.Boonrad Boonradsamee และ Watcharawalee Tangkuptanon. Preventive maintenance system development project management: A case study in a medium scale industrial factory. Nakhon Pathom Rajabhat University:ม.ป.ท. 2018.