TY  - BOOK
AU  - Pirazán Orduz,Luis Germán
TI  - Clases, problemas y oportunidades
AV  - LA2365.C72 eBook 
PY  - 2015///
CY  - Bogotá, Colombia
PB  - Editorial Oveja Negra
KW  - Teachers
KW  - Colombia
KW  - Biography
KW  - Electronic books
N1  - Includes bibliographical references
UR  - https://www.digitaliapublishing.com/a/37773/
UR  - https://biblio.udb.edu.sv/biblioteca/index.php/category/recursos-electronicos/
ER  -