In-vitro thermal annihilation of pathogens (Bacteria and Parasites) from cow dung and human pit, a usual means of bio-fertilizer; considering bio-risk / [MS Thesis] Pathogenic organisms Parasites 579.165 INV Thesis (MS )--Department of Zoology, University of Dhaka, Session : 2013-14. Bibliography: p. 166-190. Dhaka : University of Dhaka, 2015. 2015. 2015 Text [2], xiv, 204 p. : eng