TY - GEN AU - Johnson, Burke. AU - Christensen, Larry B. TI - Educational research: quantitative and qualitative approaches SN - 0205266592 (Hb : Photocopied) AV - LB1028 .J63 2000 PY - 2000/// CY - Boston : PB - Allyn and Bacon, KW - Education KW - Research N1 - Includes bibliographical references and index ER -