Introduction to Qualitative Research Methods
Steven J. Taylor & Robert Bogdan & Marjorie L. DeVault
Naturally Clean
Jeffrey Hollender & Geoff Davis
Epidemiologic Methods for the Study of Infectious Diseases
James C. Thomas & David J. Weber
Principles of Accounting, Volume 2
Patty Graybeal & Dixon Cooper & Mitchell Franklin (CPA)
Bacterial Biosurfactants
B. K. Konwar