Chokdumgerng, Sineenart. “AN ANALYSIS OF TECHNICAL EFFICIENCY FOR TURMERIC PRODUCTION OF FARMERS IN SURATTHANI PROVINCE”. Journal of Social Science and Cultural 9, no. 6 (June 26, 2025): 234–246. accessed October 13, 2026. https://so06.tci-thaijo.org/index.php/JSC/article/view/284923.