เขตปิยรัตน์ ภ. “Core Value of Using Morhom Affecting the Marketing Mixed of Consumers in Muang District, Phrae Province”. Journal of Management Science Chiangrai Rajabhat University, vol. 11, no. 2, May 2018, pp. 101-17, https://so03.tci-thaijo.org/index.php/jmscrru/article/view/122140.