Pongnarin Pitjatturat, Sodchuen Utamart, & Suparada Pimpan. (2021). Value Addition of Organic Products: A Case Study of Jaruwan Garden, Karasin Province. KKU Research Journal (Graduate Studies) Humanities and Social Sciences, 9(1), 130–146. Retrieved from https://so04.tci-thaijo.org/index.php/gskkuhs/article/view/223671