TY  - BOOK
AU  - Wallen,Norman E.
TI  - Educational research: a guide to the process
T2  - Wadsworth series in curriculum and instruction
SN  - 053400346X
PY  - 1974///
CY  - Belmont, Calif.
PB  - Wadsworth Pub. Co.
KW  - Education
KW  - Research
KW  - Local
N1  - Includes bibliographies and index
ER  -