TY  - BOOK
AU  - Lehmann,Irvin J.
AU  - Mehrens,William A.
TI  - Educational research: readings in focus
SN  - 0030831407
AV  - LB1028 .L38
U1  - 370/.78 
PY  - 1971///]
CY  - New York
PB  - Holt, Rinehart and Winston
KW  - Education
KW  - Research
KW  - Addresses, essays, lectures
KW  - Local
N1  - 920331; Includes bibliographies
ER  -