Chonwiharnpan, W. ., D. . Nutrawong, and N. . Sawasdirath. “Study of Beta-Agonists Residual Substances in Pork in Saraburi Province”. Thai Food and Drug Journal, vol. 22, no. 1, Aug. 2018, pp. 19-26, https://he01.tci-thaijo.org/index.php/fdajournal/article/view/139376.