00493pamaa2200169 4500 0000032863 20091104090000.0 0139603603 001.4 LEE Q180.55.M4 LEE 1985 LEEDY Practical research : planning and design Paul D. Leedy. Jeanne Ellis Ormrod. 7th ed. New Jersey: Merrill/Prentice Hall, 1985. xx, 318p.; 28cm. Research -- Methodology Omrod, Jeanne Ellis