 Some countries also take a selective approach using ideas from both inward and outward looking approaches and target some sectors.In the context of Latin American development, the term "Latin American structuralism" refers to the era of import substitution industrialization in many Latin American countries from the 1950s until the 1980s.The theories behind Latin American structuralism and ISI were organized in the works of Raúl Prebisch, Hans Singer, Celso Furtado, and other structural economic thinkers, and gained prominence with the creation of the United Nations Economic Commission for Latin America and the Caribbean (UNECLAC or CEPAL).