Sana, N., A. Javaid, A. Shoaib, and R. Bajwa. “EFFECT OF SOIL AMENDMENTS, WEEDS AND BIOPOWER APPLICATION ON MYCORRHIZAL COLONIZATION IN RICE”. Pakistan Journal of Phytopathology, vol. 26, no. 2, Dec. 2014, pp. 143-9, http://pjp.pakps.com/index.php/PJP/article/view/98.