Dingre, S. K., et al. “Effect of Water Retaining Polymer Application on the Productivity of Chickpea (Cicer Arietinum) Under Dryland Agriculture”. International Journal of Bio-Resource and Stress Management, vol. 8, no. Jun, 3, June 2017, pp. 388-92, https://ojs.pphouse.org/index.php/IJBSM/article/view/1123.