1.
Cochabamba; s.n; Dic. 1987. 67 p. tab, graf.
Thesis
in Spanish
| LIBOCS, LILACS, LIBOSP
| ID: biblio-1314657
2.
Cochabamba; s.n; Dic. 1987. 67 p. tab, graf.
Thesis
in Spanish
| LIBOCS, LILACS, LIBOE
| ID: biblio-1295194