Thompson, Richard F.
Harper & Row, 1975
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Ilham Bakri
Faculty of Engineering, Universitas Indonesia, 2017
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William Clarke, Amitava Dasgupta
Elsevier Science, 2016
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Haris Abdullah
Fakultas Kedokteran Universitas Indonesia, 2013
UI - Tesis Membership
Torgerson, Warren S.
John Wiley & Sons, 1958
Buku Teks SO