1.
2.
Cochabamba; s.n; Dic. 1987. 120 p. tab, graf.
Thesis
in Spanish
| LIBOCS, LILACS, LIBOSP
| ID: biblio-1314656
3.
Cochabamba; s.n; Dic. 1987. 120 p. tab, graf.
Thesis
in Spanish
| LIBOCS, LILACS, LIBOE
| ID: biblio-1295191
4.
Cochabamba; s.n; 1984. 49 p.
Thesis
in Spanish
| LIBOCS, LILACS, LIBOE
| ID: biblio-1295292