Bangladesh science and technology abstracts / Vol. 20 BANSDOC - Dhaka : Bangladesh, c1996. - Volume 20 ; 26 cm. ISBN: LCCN: Subjects--Topical Terms: Science and technologyBangladesh ScienceBibliography TechnologyBibliography LC Class. No.: Z7401 / .B28 1996 Dewey Class. No.: 016.5492