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Buku Teks
edited by David Popenoe
Rutgers University Press, 1969
Buku Teks
Akhmad Hidayatno, author
Faculty of Engineering, Universitas Indonesia, 2015
Artikel Jurnal
Arie Rusmayanti, author
Fakultas Teknik Universitas Indonesia, 2023
UI - Skripsi Membership
Asian-Pacific Center , 1998
Buku Teks