ปัญญโรจน์ ณัฐพันธ์, ดวงพิกุล กนกรัตน์, and ศิริพรอัครชัย ธัญทิพย์. 2019. “Development Guidelines for the Operation of Community Enterprises into the Primary GMP A Case Study of Nan Malt Enterprise”. RMUTL Journal of Business Administration and Liberal Arts 7 (1):107-16. https://so05.tci-thaijo.org/index.php/balajhss/article/view/217844.