SHEORAN, PARVENDER, et al. “Bio-Economic Evaluation of Rainfed Maize (Zea Mays)-Based Intercropping Systems With Blackgram (Vigna Mungo) under Different Spatial Arrangements*”. The Indian Journal of Agricultural Sciences, vol. 80, no. 3, July 2010, https://doi.org/10.56093/ijas.v80i3.251.