K.M. VASANTHA KUMAR, and V.S. KUBSAD. “Agrotechniques to Enhance the Productivity of Niger (Guizotia Abyssinica) under Rainfed Conditions”. Indian Journal of Agronomy, vol. 59, no. 4, Oct. 2001, pp. 665-7, https://doi.org/10.59797/ija.v59i4.4589.