2020-12-10T19:00:00+01:00 2020-12-10T19:00:00+01:00 | 2020-12-10T19:00:00+01:00 Liburu aurkezpena Ibarra Zelaia, 4 “Oñatiko Sancti Spiritus unibertsitatearen historia soziala” liburuaren aurkezpena