Kuyram, Ngamta. “An investigation of the marketing mix factors influencing the purchasing behavior of Thai hair salon owners regarding hair color products”. RMUTSB ACADEMIC JOURNAL 1, no. 2 (July 1, 2013): 138–147. accessed March 6, 2026. https://li01.tci-thaijo.org/index.php/rmutsb-sci/article/view/98896.