Rao, D S, B L Punia, and D B Ahuja. “Performance of Castor (Ricinus Communis) Cultivars and Their Response to Fertilizer and Plant Protection”. The Indian Journal of Agricultural Sciences 65, no. 9 (June 6, 2012). Accessed October 29, 2025. https://epubs.icar.org.in/index.php/IJAgS/article/view/19062.