Cham, Supawadee, and Pattharaporn Srisamatthakarn. 2023. “Value Added Creation and Raising the Konjac Products Standard Quality of Ban Moang Wa, Khane Chue District, Tak Province, Thailand”. Area Based Development Research Journal 15 (4). Nakhon Si Thammarat, Thailand:327-36. https://so01.tci-thaijo.org/index.php/abcjournal/article/view/269554.