1. Opera : observatorio de políticas, ejecución y resultados de la administración pública Publication/Creation: Bogotá, Colombia : Universidad Externado de Colombia Resource Type: Journal, Newspaper or Serial Access & Availability: Loading
2. Operational plan Author/Creator: USAID/Colombia Publication/Creation: [Washington, D.C.] : [U.S. Agency for International Development] Resource Type: Journal, Newspaper or Serial Access & Availability: Loading
3. Opinión jurídica Publication/Creation: Medellín, Colombia : Universidad de Medellín, Facultad de Derecho, 2002- Resource Type: Journal, Newspaper or Serial Access & Availability: Loading
4. Ornitología colombiana Publication/Creation: [Bogotá] : Asociación Colombiana de Ornitología, 2003- Resource Type: Journal, Newspaper or Serial Access & Availability: Loading
5. Outlier Publication/Creation: Bogota, Colombia : Pontificia Universidad Javeriana, 2004- Resource Type: Journal, Newspaper or Serial Access & Availability: Loading