TY  - BOOK
AU  - Groot,Adrianus D.De
AU  - Spickerman,J.A.A
TI  - Methodology: foundations of inference and research in the behavioral sciences 
U1  - 150.18 
PY  - 1969///
CY  - Paris
PB  - Mouton
KW  - Social sciences
KW  - Research
KW  - Methodology
N1  - Translation of : Methodologie; Includes bibliographical references and index
ER  -