TY  - BOOK
AU  - Jackson,Donald A.
AU  - Della-Piana,Gabriel Mario
AU  - Sloane,Howard Norman
TI  - How to establish a behavior observation system
SN  - 0877780854
AV  - BF181 J3.3
PY  - 1975///
CY  - Englewood Cliffs [E.U.A.]
PB  - Educational Technology
KW  - Psicología experimental
ER  -