TY  - BOOK
AU  - Madsen, Charles H
TI  - Teaching/discipline: a positive approaach for educational development 
AV  - LB 3011 M25.1974
PY  - 1974///
CY  - Boston
PB  - Allyn and Bacon
KW  - Salón de clases -
KW  - Dirección
ER  -