P. VIJAYKUMAR, N. PANDEY, and R. MAHENDER KUMAR, “ Response of different duration varieties of rice (Oryza sativa) on growth, yield attributes and yield under varied levels of nutrient application”, IJA, vol. 64, no. 4, pp. 517–519, Oct. 2001, doi: 10.59797/ija.v64i4.5302.