TY - null DA - 2013/12/12 LA - spa PB - Universidad del Norte KW - Academic performance KW - Impact Valuation KW - Multivariate statistics KW - Rendimiento Académico KW - evaluación de impacto KW - estadística multivariada TI - Impact of autonomous work activities on the academical results in low socioeconomic level students: the case of the municipality of Soacha ER -