Brintha, I, and Thayamini H Seran. “Effect of Intercropping Chili (Capsicum Annuum L.) With Onion (Allium Cepa L.) in Sandy Regosol”. Bangladesh Journal of Agricultural Research, vol. 37, no. 3, Oct. 2012, pp. 547-50, doi:10.3329/bjar.v37i3.12132.