TY - BOOK AU - Fraenkel, Jack R. AU - Wallen, Norman E. TI - How to design and evaluate research in education/ SN - 0-07-124983-4 U1 - DC 370.72 2006 PY - 2006/// CY - Boston: PB - McGraw-Hill, KW - Education KW - Research KW - Methodology KW - Evaluation N1 - Includes bibliographical references and index ER -