Author
India. Dept. of Commercial Intelligence and Statistics
2
Indonesia. Bagian Statistik Perdagangan Luar Negeri
2
India. Air Transport Directorate
1
Indonesia. Badan Pusat Statistik
1
Indonesia. Bagian Statistik Perhubungan
1
Indonesia. Biro Pusat Statistik
1
Indonesia. Kantor Statistik Propinsi Jawa Tengah
1
Indonesia. Kantor Statistik Propinsi Sumatera Barat
1
Nepal. Dept. of Civil Aviation
1
Pakistan. Civil Aviation Authority. Statistical Sub-Branch
1