Khongtong, Jatuporn. 2018. “Factors Affecting the Nutritional Purchasing Behavior of Students in Nakhon Si Thammarat Municipality”. Wichcha Journal Nakhon Si Thammarat Rajabhat University 37 (2). ์Nakhon Si Thammarat, Thailand:107-19. https://li01.tci-thaijo.org/index.php/wichcha/article/view/129464.