Sutthiphong, Phongphanat, Phongthep Srisopachit, Natcha Krimjai, and Chonkanok Kositkanin. 2021. “The Factors Influencing Competitive Performance Modal for Retail Businesses in Thailand”. Ph.D. In Social Sciences Journal 11 (1):146-60. https://so05.tci-thaijo.org/index.php/phdssj/article/view/186926.