GHOSH, D S, P NANDI, and K SHIVKUMAR. 2013. “Effect of Biofertilizer and Growth Regulator on Growth and Productivity of Potato (Solanum Tuberosum) at Different Fertility Levels*”. The Indian Journal of Agricultural Sciences 70 (7). https://epubs.icar.org.in/index.php/IJAgS/article/view/28627.