Sangsawang M, Chancharat N. Examining the Efficiency of Listed Animal Feed Manufacturers Using Data Envelopment Analysis. kasetsart J. Soc. Sci. [internet]. 2012 Dec. 31 [cited 2026 Sep. 11];33(3):429-41. available from: https://so04.tci-thaijo.org/index.php/kjss/article/view/246858