Schoenfeld William N  1915, <br/><br/>
Stimulus schedules / 
The t-r systems, by William n. schoenfeld and brett k. Cole 
 - 166 páginas 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Refuerzo (Psicología)
<br/><br/><label>LC Class. No.: </label>BF319.5R4  / S33