แต้สุทัศน์ ธ., and โรจน์นิรุตติกุล ณ. “Marketing Mix for HONDA Motorcycle Buying Decisions of Employee in Factory in Pathumthani Province”. Journal of Industrial Education, vol. 14, no. 3, Dec. 2015, pp. 718-26, https://ph01.tci-thaijo.org/index.php/JIE/article/view/123018.