Daowadueng, P. and Kumphong, J. (2022) “Capital Investment Analysis for the Product of a Startup Company Case Study: Detection Program for Traffic Light Violations”, Journal of Management Science Chiangrai Rajabhat University, 17(2), pp. 163–186. available at: https://so03.tci-thaijo.org/index.php/jmscrru/article/view/260919 (accessed: 13 September 2026).