Rodiew R, Thongmeethip K. Guidelines for Upgrading and Developing Product Marketing Channels for Agricultural Products that are Out-of-Grade and left behind in a Case Study: Chom Pratat Community, Ratchaburi Province. swtu [internet]. 2024 May 20 [cited 2026 Sep. 22];32(1):241-72. available from: https://so04.tci-thaijo.org/index.php/swjournal/article/view/267962