Worapong Phongphattarawut และ Supatthra Muparang;Noppharit Wasanbongngem;Jittiwat Nithikarnjanatharn;Wannisa Nutkhum. (2024) Comparison of Polypropylene Flow Index to Increase Injection Efficiency In Plastic Injection Mold, 2 Cavities of Different Shapes Plastic (Case Study : Pencil Box). <i>RMUTL Engineering Journal</i>, <i>9</i>(2), 21-29.Worapong Phongphattarawut และ Supatthra Muparang;Noppharit Wasanbongngem;Jittiwat Nithikarnjanatharn;Wannisa Nutkhum. "Comparison of Polypropylene Flow Index to Increase Injection Efficiency In Plastic Injection Mold, 2 Cavities of Different Shapes Plastic (Case Study : Pencil Box)". RMUTL Engineering Journal 9 (2024):21-29.Worapong Phongphattarawut และ Supatthra Muparang;Noppharit Wasanbongngem;Jittiwat Nithikarnjanatharn;Wannisa Nutkhum. Comparison of Polypropylene Flow Index to Increase Injection Efficiency In Plastic Injection Mold, 2 Cavities of Different Shapes Plastic (Case Study : Pencil Box). Rajamangala University of Technology Lanna:ม.ป.ท. 2024.