Bruce W Tuckman. Conducting educational research / By Bruce W Tuckman, Brian E Harper. - 6th Ed. - Lanham, Md. : Rowm& Littlefield Publishers, ©, 2012. - 517p. ; 00 cm. ISBN: 9781442209633 Subjects--Topical Terms: EDUCATION. Dewey Class. No.: 370.78 / TUC