JP.PURWADI. ANALISIS SISTEM KEAMANAN PENERBANGAN DI BANDAR UDARA SULTAN SYARIF KASIM II-PEKANBARU: tea kudu. Langit Biru: Jurnal Ilmiah Aviasi, indonesia, v. 4, n. 11, p. 1–16, 2011. DOI: 10.54147/langitbiru.v4i11.321. Disponível em: https://journal.ppicurug.ac.id/index.php/jurnal-ilmiah-aviasi/article/view/321. Acesso em: 23 jul. 2026.