TY  - BOOK
AU  - Jackson, Donald A.,
AU  - Della-Piana,Gabriel M.
AU  - Sloane, Howard Norman,
TI  - How to establish a behavior observation system
SN  - 0877780854
AV  - BF181 J324
PY  - 1975///
CY  - Englewood cliffs, new jersey
PB  - Educational technology
KW  - Psicología experimental
ER  -