An introduction to educational research.
Travers, Robert M. W.
An introduction to educational research. - 4th edition. - New York : MacMillan Publishing Company, c1978. - xiv, 446 pages ; 22 cm.
Includes index. References: pages. 425-433.
An introduction to educational research. - 4th edition. - New York : MacMillan Publishing Company, c1978. - xiv, 446 pages ; 22 cm.
Includes index. References: pages. 425-433.