biaya, tarif, harga, diklat, pertamina, maritime training center, batam, jadwal, 2018, rating, 2017, daftar, sertifikat, persyaratan, able, revalidasi, pelaut, di, bst, terbaru, berapa, syarat, murah, online, pendaftaran, 2019, 2020
Pelatihan di Pertamina Maritime Training Center
