Title:Modification of clays by sol-gel reaction and their use in the ethylene in situ polymerization for obtaining nanocomposites / Journal of Nanomaterials
Title:An approach to the estimation of convenience yields and prices of agricultural commodity futures in Colombia [Una aproximación a la estimación de rendimientos de conveniencia y precios teóricos de futuros para commodities agropecuarios en Colombia] / Cuadernos de Administracion