00322nam a2200121Ia 4500 19.04.01 A849 Echeverria, Carlos Industrial relations in libraries : Trade Union's point of view ACURIL San JuanPR 1992 13 leaves 3/7/00 M2LMGR M A849 17254 17254 0 0 0 0 CRCM CRCM 2023-05-04 0 19.04.01 A849 0000000011268 2023-05-04 00:00:00 2023-05-04 M