1.
Cochabamba; s.n; Dic. 1986. 78 p. tab.
Thesis
in Spanish
| LIBOCS, LILACS, LIBOSP
| ID: biblio-1314675
2.
Cochabamba; s.n; Dic. 1986. 78 p. tab.
Thesis
in Spanish
| LIBOCS, LILACS, LIBOE
| ID: biblio-1295233