Ullmann, Leonard P., <br/><br/>
Case studies in behavior modification / 
Ed. and introd. by Leonard p. ullman and Leonard krasner. 
 - 401 páginas 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Psicoterapia--Estadística
<br/><br/><label>LC Class. No.: </label>RC465  / U54