TY  - GEN
AU  - Ingalls,John D.
ED  - 
TI  - A trainers guide to andragogy : its concepts, experience and application
PY  - 1973///
CY  - Whashington, DC
PB  - Department of Health, Education and Welfare
KW  - TRABAJADORES SOCIALES; EDUCACION DE ADULTOS; ADULTOS
N1  - Revised edition
ER  -