BHATNAGAR, A.; PAL, M. Evaluation of intercropping systems in spring maize with sunflower and urdbean in North Western plain of India. SAARC Journal of Agriculture, [S. l.], v. 12, n. 1, p. 26–32, 2014. DOI: 10.3329/sja.v12i1.21110. Disponível em: https://www.banglajol.info/index.php/SJA/article/view/21110. Acesso em: 19 may. 2024.