por Johnson, P. Fraser [autor] | Michiel R. Leenders [autor] | Anna E. Flynn [autor] | Gómez Mont Araiza, Jaime [traductor] | Johnson, P. Fraser. Purchasing and supply management.
por Tawfik, Louis [autor] | Chavel, Alain M [autor] | Gómez Mont Araiza, Jaime [traductor] | Tawfik, Louis. Operations.