Trochim, William M. K. Research methods knowledge base / William M. K. Trochim. - 2nd ed. - Cincinnati, Ohio : Atomic Dog Pub., c2001. - ix, 363p. ; 28 cm. Glossary : G345 - G353. ISBN: 0970138598 Subjects--Topical Terms: Education--Research LC Class. No.: LB1028 / T74 2001