Title:Grouping techniques to improve the acquisition of vocabulary / design of a booklet with basic vocabulary for students of eighth basic year At Unidad Educativa Fiscal Francisco de Orellana, Periodo Lectivo 2015 - 2016
Title:Conflict, educational attainmnet and structural transformation: "La Violencia" in Colombia / Conflicto, escolaridad, y cambio estructural: La Violencia en Colombia