Riznaldi Akbar
An investigation of determinants global entrepreneurship
Buiness School Universitas Pelita Harapan,
 Artikel Jurnal
Ng, Eng Juan
Consolidated accounts : Singapore
Talisman , 2001
 Buku Teks SO
Siti Arina Safarina
Investigasi indikator service quality B2B airframe maintenance services = Investigation of indicators of service quality B2B airframe maintenance services / Siti Arina Safarina
2015
 UI - Tesis Membership
Belcher, Finley E.
Business combinations & consolidated financial statements
Illinois Richard D. Irwin , 1983
 Buku Teks SO
Windu Asih Dewayani
Rancangan pelatihan service excellence
Universitas Indonesia, 2005
 UI - Tesis Membership