คุณอุดม ช., ศิริสม จ., and กาญจนางกูร เ. “The Effects of Cost Accounting Implementation Effectiveness on Operational Efficiency of Auto Part Manufacturing Companies in Central of Thailand”. Journal of Accountancy and Management, vol. 1, no. 1, Jan. 2009, pp. 91-101, https://so02.tci-thaijo.org/index.php/mbs/article/view/235830.