Jatav, M K, et al. “Quantification of Contribution of PSB in Reducing the Requirement of P Fertilizer in Potato Production in Mid Hill of Himachal Predesh”. Journal of Agriculture and Ecology, vol. 1, no. 1, June 2016, pp. 81-84, https://saaer.org.in/journals/index.php/jae/article/view/13.