ชูรัตน์ ศิรินทิพย์ , translator. “Study on Increase Sales for CRC Thai Watsadu Co., Ltd., Yasothon Branch”. The 15th Benjamit National and International Conference, vol. 15, no. 5, May 2025, pp. 26-38, https://benjamit.thonburi-u.ac.th/ojs/bmv15/article/view/44.