Chemical investigation and biological evalution of neem (Azadirachta indica A. juss) seed products against early 4th larvae of mosquito culex quinquefasciatus say / [MS Thesis] Medicinal Plants CHE 581.534 Thesis (MS)--Department of Zoology, University of Dhaka, Session : 1995-96. Dhaka : University of Dhaka, 1999. 1999. 1999 Text xi, 176, : eng