Piyaboot Rattanasakulporn และ Wantanee Phanprasit. (2016) Cost and effectiveness of noise control of spring pin removal-comparison between the pin punch capped with thermoplastic polyurethane and hydraulic equipment. Mahidol University:ม.ป.ท.Piyaboot Rattanasakulporn และ Wantanee Phanprasit. 2016. Cost and effectiveness of noise control of spring pin removal-comparison between the pin punch capped with thermoplastic polyurethane and hydraulic equipment. ม.ป.ท.:Mahidol University;Piyaboot Rattanasakulporn และ Wantanee Phanprasit. Cost and effectiveness of noise control of spring pin removal-comparison between the pin punch capped with thermoplastic polyurethane and hydraulic equipment. ม.ป.ท.:Mahidol University, 2016. Print.