Sitanggang, Regina Cinda Gloria
Dugaan Praktek Persaingan Usaha Tidak Sehat Terhadap Menghilangnya Tiket Penjualan AirAsia Pada Online Travel Agent Ditinjau Dari Undang-Undang No. 5 Tahun 1999 Tentang Larangan Praktek Monopoli dan Persaingan Usaha Tidak Sehat = Allegation of Unfair Business Competition Practice Regarding Disappearance of AirAsia Sales Tickets at Online Travel Agents Reviewed Under The Law Number 5 Year 1999 Concerning The Prohibition of Monopolistic Practices And Unfair Business Competition
Fakultas Hukum Universitas Indonesia, 2020
 UI - Skripsi Membership
Regulating business : the search for an optimum / Editor Donald P. Jacobs ... [et al.]
Institute for Contemporary Studies, 1979
 Buku Teks
Treece, Malra
Communication for business and the professions
Allyn and Bacon, 1989
 Buku Teks
Olson, Charles L.
Statistics for business decision making
Scott, Foresman, 1983
 Buku Teks
Seglin, Jeffrey L.
The AMA handbook of business letters
Amacom, 1996
 Buku Referensi