W, BIRBAL, R K SINGH, VINOD KUMAR, and V S KUSHWAH. 2011. “Effect of Foliar Application of Plant Growth Regulators on Growth, Yield and Post Harvest Losses of Potato (Solanum Tuberosum)”. The Indian Journal of Agricultural Sciences 79 (9). https://epubs.icar.org.in/index.php/IJAgS/article/view/2482.