Nakeephai, R., K. . Pimpjong, S. . Ketphonthong, and P. . Plaiwong. “Situations Study of Leanness-Enhancing Residual in Beef In Mahasarakham Province”. Rajamangala University of Technology Tawan-Ok Research Journal, vol. 13, no. 2, Dec. 2020, pp. 20-26, https://li01.tci-thaijo.org/index.php/researchjournal2rmutto/article/view/243137.