%0 Journal Article %A Alex J. Ruiz Torres; Universidad de Puerto Rico, Recinto de Rio Piedras %A Abraham Mendoza Andrade; Universidad Panamericana, Campus Guadalajara %A Jose Humberto Ablanedo Rosas; University of Texas at El Paso %T A model for supply chain planning: Supplier selection and quantity allocation in the case of fixed lot size %U http://hdl.handle.net/10584/4179 %~ GOEDOC, SUB GOETTINGEN