Yesi Mutia Basri, author
Universitas Riau, Fakultas Ekonomi, 2013
Artikel Jurnal
Situmorang, Sahala Tua Paulus, author
Universitas Indonesia, 1995
UI - Skripsi (Membership)
Eko Presetyo
2007
UI - Tesis (Membership)
Evony Silvino Violita, author
Fakultas Ekonomi Universitas Indonesia, 2014
Artikel Jurnal
Aryanto, author
Universitas Indonesia, 2016
UI - Tesis (Membership)