1.
Rev. CIEZT
;
5(1/4): 62-8, ene.-dic. 2000.
Article
in Spanish
| LILACS
| ID: lil-279065
2.
Rev. CIEZT
;
5(1/4): 91-100, ene.-dic. 2000.
Article
in Spanish
| LILACS
| ID: lil-279068