Haq, S., I. Boz, P. Shahbaz, M. A. Ansari, and A. Bashir. “NON-PARAMETRIC EFFICIENCY, ECONOMIC, AND RISK ANALYSIS OF FARMS IN THE LIGHT OF CROP DIVERSIFICATION: Department of Agricultural Economics, Ondokuz May?S University, 55139, Samsun, Turkey”. Pakistan Journal of Agriculture, Agricultural Engineering and Veterinary Sciences, vol. 35, no. (1) June, June 2019, pp. 39-49, https://pjaaevs.sau.edu.pk/index.php/ojs/article/view/314.