ศรีจันทร์นิล เสาวนีย์. “Green Marketing of the Product Producers of One Tambon One Product (OTOP) Project in Nonthaburi Province”. Journal of Humanities and Social Sciences, Rajapruk University 4, no. 1 (May 27, 2018): 145–155. Accessed May 8, 2024. https://so03.tci-thaijo.org/index.php/rpu/article/view/125773.