Kamkleang, Thananon, Ratsirin Wangkanon, ศิริสรรหิรัญ สมบูรณ์, and Wissaporn Natrujiroch. 2016. “Participation in Efficiency Economy in Bannamsub Village, Moo 9, Kaengkrachan Sub-District, Kaengkrachan District, Phetchaburi Province”. Academic MCU Buriram Journal 1 (2):57-71. https://so06.tci-thaijo.org/index.php/ambj/article/view/241631.