TY  - BOOK
AU  - Ortega,Wenceslao
TI  - Ortografía programada
SN  - 9684514182
PY  - 1983///
CY  - Bogotá
PB  - McGraw-Hill
KW  - Spanish language
KW  - Orthography and spelling
KW  - Study and teaching
KW  - Local
ER  -