Singh, A.K. and Bohra, J.S. (2012) “Yield attributes, yield and economics of wheat (Triticum aestivum) + compact mustard (Brassica juncea) intercropping under 5:1 row proportion in relation to fertility levels and seeding densities of two wheat varieties”, The Indian Journal of Agricultural Sciences, 82(9), pp. 787–93. doi:10.56093/ijas.v82i9.23833.