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Ramakrishna, A and Rupela, O P and Reddy, S L N and Sivaramakrishna, C (1992) Promising herbicides for weed control in chickpea. International Journal of Pest Management, 38 (4). pp. 398-399. ISSN 0967-0874
Rupela, O P and Singh, Onkar and Sivaramakrishna, C and Rao, T P (1991) Maintenance of Seed Purity in Nonnodulating Lines of Chickpea. International Chickpea Newsletter, 23. p. 43.