Pariyar, K., Chaudhary, A., Sapkota, P., Sharma, S., Rana, C. and Shrestha, J. (2019) “Effects of conservation agriculture on productivity and Economics of maize-wheat based cropping systems in midwestern Nepal”, SAARC Journal of Agriculture, 17(1), pp. 49–63. doi: 10.3329/sja.v17i1.42761.