TY - GEN AU - Leedy, Paul D. AU - Ormrod, Jeanne Ellis TI - Practical research: planning and designs SN - 0131247204 AV - Q 180.55 LEE 2005 PY - 2005/// CY - New Jersey PB - Pearson KW - Research KW - Methodology N1 - Includes bibliographical references and index ER -