TY - BOOK AU - Johnson,Burke AU - Christensen,Larry B. TI - Educational research: quantitative, qualitative, and mixed approaches SN - 0205361269 (hbk) U1 - 370.72 PY - 2004/// CY - Boston PB - Pearson/Allyn and Bacon KW - Education KW - Research N1 - Includes bibliographical references and index ER -