Title: Sambutan dan pengarahan pada Musyawarah Besar Persatuan Pengusaha Pelayaran Rakyat Indonesia (Pepelra) ke IV di Gresik & Tretes, Jawa Timur, tgl. 28 s/d 31 Agustus 1975
Description: Opening and keynote addresses at the 4th congress of the owners of commercial sailing vessels.