Analisis yuridis kebijakan ruang udara terbuka (open sky policy) terhadap kedaulatan negara atas ruang udara dan kesiapan Indonesia menghadapi persaingan asean open SKY 2015 = The legal analysis of open sky policy towards the sovereignty of states over the air and the readiness of Indonesia in facing of the 2015 asean open SKY competition - Ameilia Putri Keumala, author (2014)