V. P. SINGH, K. K. BARMAN, P. K. SINGH, R. SINGH, and A. DIXIT, “Managing weeds in rice (Oryza sativa)-wheat (Triticum aestivum)-greengram (Vigna radiata) system under conservation agriculture in black cotton soils”, Indian J Agri Sci, vol. 87, no. 6, pp. 739–745, Jun. 2017, doi: 10.56093/ijas.v87i6.70949.