Pengadaan Barang/Jasa Dengan Metode Penunjukan Langsung Pada PT Angkasa Pura I (Persero) Dalam Pelaksanaan Investasi Pembangunan Bandara Dari Perspektif Hukum Persaingan Usaha = Procurement of Goods and Services By Direct Appointment Method To PT Angkasa Pura I (Persero) In The Implementation Of Airport Development Investment From The Perspective Of Business Competition Law