1.
Quito; Editorial Universitaria; ene. 1990. 48 p. ilus, tab, graf.
Monography
in Spanish
| LILACS
| ID: lil-178278
Subject(s)
Research/education , Research Support as Topic , Research Support as Topic/classification , Research Support as Topic/economics , Research Support as Topic/legislation & jurisprudence , Research Support as Topic/organization & administration , Research Support as Topic/standards , Research Support as Topic/statistics & numerical data
2.
Quito; s.n; ene. 1990. 49 p.
Non-conventional
in Spanish
| LILACS
| ID: lil-330416