Vithanage, U. Y. N. ., Gunaratne, L. H. P., M. B. P, K. M. ., & Cyril, H. W. . (2014). Comparison of Technical Efficiency and Socio-economic Status in Animal-crop Mixed Farming Systems in Dry Lowland Sri Lanka. Asian Journal of Agriculture and Rural Development, 4(2), 128–141. Retrieved from http://archive.aessweb.com/index.php/5005/article/view/1129