Manorat, T.K. 2026. Implicit Costs and Investment Behavior in Thailand’s Large Plot Scheme for Rice Farming: A Case Study of Maklua Mai Subdistrict, Sung Noen District, Nakhon Ratchasima Province. Ratchaphruek Journal. 24, 1 (Apr. 2026), 52–68. DOI:https://doi.org/10.14456/rpjnrru.2026.4.