Leedy, Paul D.
Practical research : planning and design / Paul D. Leedy. - 4th ed. - New York : London : Macmillan ; Collier Macmillan, c1989. - xi, 318 p. : ill. ; 28 cm.
Includes bibliographies and index.
0023692413
88014990
Research--Methodology.
Q180.55.M4 / L43 1989
001.42 / LEP
Practical research : planning and design / Paul D. Leedy. - 4th ed. - New York : London : Macmillan ; Collier Macmillan, c1989. - xi, 318 p. : ill. ; 28 cm.
Includes bibliographies and index.
0023692413
88014990
Research--Methodology.
Q180.55.M4 / L43 1989
001.42 / LEP