Eliécer Ruiz, Jorge Cultural policy in Colombia / Jorge Eliécer Ruiz with the assistance of Valentina Marulanda. - París : UNESCO, 1977. - 93 p. : UNESCO, 1977. - Studies and documents on cultural policies. Colombia . ISBN: 923101417X No. de Clasificación Universal Decimal: 008. 001.1 (861) =20 ELI