TY - BOOK AU - Schorr,John E TI - Purchasing in the 21st century: a guide to state-of-the-art techniques and strategies SN - 0939246228 U1 - 658.72 PY - 1992/// CY - Essex Junction, VT. PB - O. Wight KW - GestiĆ³n industrial KW - Justo a tiempo (Sistema) ER -