R.A. JAT and I.P.S. AHLAWAT (2001) “Effect of organic manure and sulphur fertilization in pigeonpea (Cajanus cajan) + groundnut (Arachis hypogaea) intercropping system”, Indian Journal of Agronomy, 55(4), pp. 276–281. doi:10.59797/ija.v55i4.4763.