Sinprasit, C. ., and W. . Yeesoontes. “MARKETING MIX FACTORS THAT AFFECT THE DECISION TO USE A METAL FABRICATION FACTORY ACCORDING TO CUSTOMER ORDERS”. Journal of MCU Nakhondhat, vol. 12, no. 4, Apr. 2025, pp. 116-25, https://so03.tci-thaijo.org/index.php/JMND/article/view/286677.