Trochim, William M.K. Research methods : the concise knowledge base / William M. K. Trochim. - Cincinnati, Ohio : Atomic Dog Publishing, 2005. - xv, 270 pages : colored illustrations ; 28 cm. Includes glossary, index and reference. ISBN: 1592601456 Subjects--Topical Terms: Research--Methodology. Dewey Class. No.: CIR 001.409 T843 2005