1.
Quito; PNUD; 1997. 281 p. tab.
Monography
in Spanish
| LILACS
| ID: lil-297445
2.
Quito; PNUD; 1996. 175 p. tab.
Monography
in Spanish
| LILACS
| ID: lil-297444
3.
Washington, D.C; Organización Panamericana de la Salud; 1994. 137 p. (OPS. Serie Análisis Sectoriales, 1).
Monography
in Spanish
| LILACS
| ID: lil-372524