MARINA Advisory 50-2020
Subject : Extension of the Validity of STCW Certificates ………………………………………………………………………………………………….
MA-50-2020-Extension-of-the-Validity-of-STCW-CertificatesSubject : Extension of the Validity of STCW Certificates ………………………………………………………………………………………………….
MA-50-2020-Extension-of-the-Validity-of-STCW-Certificates