Studies on the endoparasitic helminths of toad (Bufo melanostictus Schneider, 1799) and frogs (Rana tigrina daudin, 1802 and rana cyanophlyctis Schneider, 1799) of Dhaka and Noakhali districts / Aleya Begum [MS Thesis] Begum, Aleya Frogs 597.87 ALS Thesis (MS) -- Department of Zoology, University of Dhaka, session : 1993-1994 Includes bibliographical references. Dhaka : University of Dhaka, 1999. 1999. 1999 Text xiv, 153p. : eng