Title:Model of optimization of mining complex for the planning of flow of quarry production of limestone in multiple products and with elements for the analysis of the capacity
Title:Is extraction bad? : encomienda and development in Colombia since 1560 / ¿Son malas las instituciones extractivas? : encomienda y desarrollo en Colombia desde 1560
Title:Simultaneous extraction and determination of four different groups of pharmaceuticals in compost using optimized ultrasonic extraction and ultrahigh pressure liquid chromatography-mass spectrometry