RAM, R A, and A K VERMA. “Yield, Energy and Economic Analysis of Organic Guava (Psidium Guajava) Production under Various Organic Farming Treatments”. The Indian Journal of Agricultural Sciences, vol. 87, no. 12, Dec. 2017, pp. 1645–1649, https://doi.org/10.56093/ijas.v87i12.76496.