YADAV, DEVIDEEN, et al. “Inorganic Phosphorus Fractions and Recovery Efficiency in Aerobic Rice (Oryza Sativa) in Relation to Sources and Levels of Phosphorus”. The Indian Journal of Agricultural Sciences, vol. 85, no. 5, May 2015, pp. 734-7, https://doi.org/10.56093/ijas.v85i5.48521.