Abdul-Hakim, R. ., and S. H. . Che-Mat. “Determinants of Farmer’s Participation in Off-Farm Employment: A Case Study in Kedah Darul Aman, Malaysia”. Asian Journal of Agriculture and Rural Development, vol. 1, no. 2, Dec. 2011, pp. 27-37, https://archive.aessweb.com/index.php/5005/article/view/476.