Farhan Dzakwan Taufik, author
Fakultas Ilmu Sosial dan Ilmu Politik Universitas Indonesia, 2021
UI - Tugas Akhir
Ambler, S. T., author
Oxford University Press, 2017
eBooks
Stebbins, Robert A.
Greenwood Pub. Corp , 1971
Buku Teks
Anang Budi Arso, author
Universitas Indonesia, 2016
UI - Tesis Membership
Wilson, P. R., author
University of Queensland, 1973
Buku Teks