TY  - BOOK
AU  - Etzel, Barbara C.,
AU  - Leblanc, Judith M.
TI  - New developments in behavioral research: Theory, method, and application 
SN  - 0470991348
AV  - BF199 E88
PY  - 1977///
CY  - Hillsdale, n. j.
PB  - L. erlbaum
KW  - Conducta (Psicología)
ER  -