Rittidet, Prasopsuk, Lamai Taweekham, and Arisara Pudenpa. 2018. “Social Capital in the Development of Safe Rice Homnin Farmers School Enhancing the Quality Life”. Journal for Developing the Social and Community 3 (1). Bangkok, Thailand:50-58. https://so03.tci-thaijo.org/index.php/rdirmu/article/view/210932.