Williams, N.S Introduction to Educational Research: A Critical Thinking Approach/ Print By Williams, N.S.- - United States of America: Sage Publications, C 2012 - xii, 676p.: ill.; 26cm Include Glossary & Index ISBN: 9781412995733 Source: B-47886 Subjects--Topical Terms: Theory and practice of education LC Class. No.: LB1028 / .W55 2012