Consideration on the optimum commissioning of generating units during power system development / Marino Valtorta
Considerations on the concepts of public administration and planning as well as its practical application : Sixth Interamerican planning Congress towards a policy of integration for the development of Latin America, November 6 through 12, 1966, Caracas /
Considerações em tôrno de uma metodología adequada para o estudo de centros históricos/ Américo Simas filho
Consideracoes acerca do relacionamento entre o direito internacional e o direito economico / Antonio Augusto Cancado Trinidade
Consideraciones sociológicas sobre el desarrollo económico en América Latina / José Medina Echavarría ; prefácio de Eugenio Fonseca-Tortós Sociología latinoamericana