“Effect of Tillage Options and Straw Management on Crops Productivity and Soil Fertility in Rice-Wheat-Cropping Pattern: Rice-Wheat Crop Productivity”, Pakistan Journal of Scientific & Industrial Research, vol. 59, no. 2, pp. 69–74, Aug. 2016, doi: 10.52763/PJSIR.BIOL.SCI.59.2.2016.69.74.