TY - BOOK AU - Leedy,Paul D. AU - Ormrod,Jeanne Ellis TI - Practical research: planning and design SN - 0139603603 AV - Q180.55 .M4 L432P 2001 PY - 2001/// CY - Upper Saddle River, N.J. PB - Merrill/Prentice Hall KW - RESEARCH KW - METHODOLOGY N1 - Includes bibliographical references and index ER -