Columbia subject headings:
Agricultural laborers--Political activity--Nicaragua--Congresses.
Nicaragua--Social conditions--1979---Congresses.
Rural development--Nicaragua--Congresses.
Harvard subject headings:
Agricultural laborers--Nicaragua--Political activity--Congresses.
Agricultural laborers--Political activity--Nicaragua--Congresses.
Nicaragua--Social conditions--1979---Congresses.
Rural development--Nicaragua--Congresses.
Princeton subject headings:
Agricultural laborers--Nicaragua--Congresses.
Agriculture and state--Nicaragua--Congresses.