Mettapol, Suwaree. “Organization Support and Management Effected to Food Sanitation Performance of Publie Health Officers in Local Government Chaiyaphum Province”. Thai Food and Drug Journal 21, no. 2 (August 8, 2018): 18–26. Accessed May 5, 2024. https://he01.tci-thaijo.org/index.php/fdajournal/article/view/138972.