1.
Asunción; EDIFAO; 2001. 54 p. ilus.
Monography
in Spanish
| LILACS, BDNPAR
| ID: lil-320982
2.
ASUNCION; EDIFAO; 1999. 47 p. ilus, tab.
Monography
in Spanish
| LILACS, BDNPAR
| ID: lil-321004