S. S. and R.C.SHARMA, “Prevalence of poplar leaf rust in Himachal Pradesh”, Indian Phytopath., vol. 55, no. 1, pp. 81–83, Jan. 2012, Accessed: Oct. 19, 2025. [Online]. Available: https://epubs.icar.org.in/index.php/IPPJ/article/view/18631