BANIK, S., & SINGH, A. (2019). EFFECTS OF PHYSICO-CHEMICAL CHARACTERS OF FRESHWATER RIVER FENI OF TRIPURA, INDIA ON THE DENSITY OF Sperata aor (HAMILTON, 1822): A STEP FOR SPECIES CONSERVATION. UTTAR PRADESH JOURNAL OF ZOOLOGY, 39(3), 133–136. Retrieved from https://www.mbimph.com/index.php/UPJOZ/article/view/1409