jannuan, sawitree (2013) “Corporate-management Improvement Of Triangle Auto Company Limited”, Journal of Humanities and Social Sciences (HUSOKKU). Khon Kaen, Thailand, 29(2), pp. 165–195. available at: https://so01.tci-thaijo.org/index.php/HUSO/article/view/6059 (accessed: 11 September 2026).