INDUR, B., D. VISHWAJIT, B. R. REDDY, and S. R. C. PATIL. “A PRELIMINARY STUDY OF AVIFAUNA OF GULBARGA FORT, KALABURAGI, INDIA”. UTTAR PRADESH JOURNAL OF ZOOLOGY, vol. 42, no. 23, Nov. 2021, pp. 88-94, https://mbimph.com/index.php/UPJOZ/article/view/2613.