Columbia subject headings:
Harvard subject headings:
Colombia--Social conditions--Congresses.
Congreso Nacional de Sociología (Colombia) (4th : 1980 : Bogotá, Colombia)
Sociology--Colombia--Congresses.
Princeton subject headings:
Colombia--Social conditions--Congresses.
Congreso Nacional de Sociología (Colombia) (4th : 1980 : Bogotá, Colombia)
Sociology--Colombia--Congresses.