ARIEF HARI SAMUDRO; UMIYATI, Sri; ELLI SETIYO WAHYUNI. IMPLEMENTATION OF STANDARD OPERATING PROCEDURES FOR THE ISSUANCE OF SEAMEN’S BOOKS IN ACHIEVING EXCELLENT SERVICE AT THE TANJUNG PERAK MAIN PORT AUTHORITY. SOSIOEDUKASI : JURNAL ILMIAH ILMU PENDIDIKAN DAN SOSIAL, [S. l.], v. 15, n. 3, p. 1948–1958, 2026. DOI: 10.36526/sosioedukasi.v15i3.9409. Disponível em: https://ejournal.unibabwi.ac.id/index.php/sosioedukasi/article/view/9409. Acesso em: 14 oct. 2026.