SINGH, YOGENDER, and M. M. SAXENA. “SUBSTRATE PREFERENCE AMONG GASTROPOD SPECIES IN A POND IN THE ARID REGION OF RAJASTHAN”. UTTAR PRADESH JOURNAL OF ZOOLOGY 22, no. 3 (April 5, 2002): 277–278. Accessed June 28, 2025. https://www.mbimph.com/index.php/UPJOZ/article/view/360.