Judicial Duty for Guidance (art 236 CCP): A Greek perspective on judicial activism in Relations between judge and parties in German and Greek civil trial – Case management and “Aufklarungspflicht”, GREEK AND FOREIGN CIVIL PROCEDURAL SYSTEMS Vol. 5, (editors: Professors Kalliopi Makridou – Georgios Diamantopoulos), Sakkoulas Publications, Athens-Thessaloniki, 2020, p. 153 – 205