ทองปัญญา ธ. Process and conditions of the decision for an entrance into contract farming system of farmers in Nakhon Pathom Province. JLA [internet]. 2018 Jun. 30 [cited 2026 Sep. 11];10(1):254-77. available from: https://so03.tci-thaijo.org/index.php/journal-la/article/view/132057