OPEN University of Sri Lanka Coomaraswamy, Uma Principles of microbiology-laboratory manual for principles of microbiology / by Uma Coomaraswamy - Rev.ed. - Nugegoda The Open University of Sri Lnaka 1997 - xvi, 173 p. Appendix: p. A 1-A 12. ISBN: 9552306299 Subjects--Topical Terms: Microbiology Dewey Class. No.: 579 / OPE