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Buku Referensi
Edwards, Clive, author
Page One, 2009
Buku Referensi
Didik Setiawan, author
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2013
UI - Tesis (Membership)
Rosita Nur Ayuni, author
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2015
UI - Tesis (Membership)