Title:Rasgos de la administración de la microempresa en Barranquilla, Colombia / Features of the administration of the microenterprise in Barranquilla, Colombia
Title:Linear model to estimate the degradation index on the processing of recycled polypropylene due to the addition of stabilizer / Modelo lineal para estimar el índice de degradación a la procesabilidad del polipropileno reciclado debida a la adición de estabilizante
Title:Scientific reasoning skills and patterns of use of Information and Communication Technologies. The case of the students of the Universidad de Santander (Valledupar, Colombia)