DESAI, L.J., et al. “Comparative Study of Various Cropping System for Their System Productivity, Profitability and Soil Fertility under North Gujarat Conditions”. Journal of Soil and Water Conservation, vol. 25, no. 1, June 2026, pp. 114-8, https://epubs.icar.org.in/index.php/JSWC/article/view/180188.