A classic work that has helped to consolidate the role of the social worker in improving the quality of life of Latin American societies, by having highlighted the importance of group management over individual care.
Yolanda Contreras de Wilhelm is a normal-school teacher, with a degree in social work from the University of Chile, with revalidation of studies at the National Autonomous University of Mexico (UNAM). (She has a postgraduate degree in medical social work and in couple conflicts). She has a masters degree in family therapy and has studied in Argentina, Brazil, Venezuela, Uruguay and other countries.
