1.
La Paz; GOB; 2000. 15 p.
Monography
in Spanish
| LILACS, LIBOCS, LIBOSP
| ID: lil-276335
2.
La Paz; GOB; 1996. 102 p.
Monography
in Spanish
| LILACS, LIBOCS, LIBOSP
| ID: lil-251043