Mills, Geoffrey E. Educational research : competencies for analysis and applications/ Geoffrey E. Mills and L. R. Gay.- - eleventh edition- - Boston: Pearson, 2016. - 697 pages: illustrations; 26 centimeters. Include appendices, glossary and index. Includes references and notes. ISBN: 9781292106175 Subjects--Topical Terms: LC Class. No.: LB 1028 / .M624 2016