PENGARUH AIR TRAFFIC SERVICE SURVEILLANCE SYSTEM TERHADAP PELAYANAN LALU LINTAS PENERBANGAN DI AIRNAV INDONESIA CABANG MEDAN. JOURNAL OF SCIENCE AND SOCIAL RESEARCH, [S. l.], v. 7, n. 4, p. 1664–1675, 2024. DOI: 10.54314/jssr.v7i4.2294. Disponível em: https://jurnal.goretanpena.com/index.php/JSSR/article/view/2294.. Acesso em: 13 apr. 2026.