Thongkam, O. . “Guidelines for increasing the number of customers for BAAC Perm Rak 12/10 and BAAC Taweerak 99 case studies, Chanthaburi Province”. Journal for Developing the Social and Community, vol. 9, no. 1, Apr. 2022, pp. 603-20, https://so03.tci-thaijo.org/index.php/rdirmu/article/view/252957.