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Polity Press, 2015
Buku Teks
Sarah Nurmala Sari, author
Fakultas Ilmu Pengetahuan dan Budaya Universitas Indonesia, 2017
UI - Makalah dan Kertas Kerja
Dona Sherena Selvia, author
2016
UI - Tesis (Membership)
Samovar, Larry A., author
Wadsworth, Thomson Learning, 2000
Buku Teks
by Larry A. Samovar, Richard E Porter, Edwin R McDaniel, Carolyn S Roy
Wadsworth and Cengage Learning, 2013
Buku Teks