Suwankesorn S. A STUDY OF PRODUCTION EFFICIENCY FACTORS IN THE NORTH EAST OF THAILAND BY USING DATA ENVELOPMENT ANALYSIS TECHNIQUE. Life Sci. Environ. J. [Internet]. 2018 Apr. 20 [cited 2024 Apr. 20];19(1):36-45. Available from: https://ph01.tci-thaijo.org/index.php/psru/article/view/73730