Columbia subject headings:
Harvard subject headings:
Costa Rica. Ministerio de Educación Pública.
School employees--Costa Rica.
Sindicato de Educadores Costarricenses.
Teachers--Costa Rica.
Princeton subject headings:
Costa Rica. Ministerio de Educación Pública
Education--Costa Rica.
School employees--Costa Rica.
Sindicato de Educadores Costarricenses.
Teachers--Costa Rica.