El Trabajo social se manifiesta  pronunciamientos seleccionados de politica de la Asociación Nacional de Trabajadores Sociales (National Association of Social Workers) 
Natiuonal Association of Social Workers. 
 - Washington, D. C.  National Association of Social Workers  1992. 
 - iii, 59 p.  28 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social workers --Professional ethics--United States.<br/>Social workers --Standard--United States.
<br/><br/><label>LC Class. No.: </label>HV10.5  / .T74