SirsiDynix Enterprise https://katalog.hacettepe.edu.tr/client/en_US/default/default/qu$003dGerman$002blanguage$002b--$002bSemantics$0026qf$003dLIBRARY$002509Library$0025091$00253AONLINE$002509Online$002bLibrary$0026ps$003d300$0026isd$003dtrue?dt=list 2026-01-11T07:01:02Z