Shanee, S., A. Tanveer, M. M. Javaid, K. M. Chaudhry, A. Aziz, A. Khaliq, M. N. Chaudhry, M. A. Pervez, and I. U. Awan. “Phytotoxic Effects of Euphorbia Dracunculoides: A Weed of Rainfed Chickpea-Chickpea Cropping System”. Spanish Journal of Agricultural Research, Vol. 9, no. 2, 1, pp. 580-8, doi:10.5424/sjar/20110902-061-10.