Chaudhry, Bashir Ahmad, Khalid Hussain Janbaz, Muhammad Uzair, and Abdul Subhan Ejaz. “BIOLOGICAL STUDIES OF CONYZA AND EUPHORBIA SPECIES”. Journal of Research (Science) 12, no. 1 (June 17, 2001): Pages: 85–88. Accessed July 6, 2025. http://jorscience.com/index.php/JRS/article/view/98.