Johnson, Burke Educational research: quantitative, qualitative, and mixed approaches / R. Burke Johnson, University of South Alabama, Larry Christensen, University of South Alabama. - Seventh Edition. - xxxi, 672 pages ; 26 cm Sixth edition: 2017. Includes webography. Includes bibliographical references and index. ISBN: 9781544337838 Subjects--Topical Terms: Education research. LC Class. No.: LB1028.J59 2020