“Chromosomal Studies on Gall Aphids Eriosoma Ulmi and Tetraneura Nigriabdominalis from Kullu, Himachal Pradesh ”. Bulletin of Pure & Applied Sciences- Zoology 41, no. 1 (June 15, 2022): 125–130. Accessed July 22, 2024. https://acspublisher.com/journals/index.php/bpaszoo/article/view/8433.