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ISEAS, 2015
eBooks
edited by Guido Bolaffi [and others]
Sage, 2003
Buku Teks
edited Brian M. du Toit
Westview Press, 1978
Buku Teks
Miftahul Husna, author
Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Indonesia, 2022
UI - Tesis (Membership)
Aguirre, Adalberto, author
McGraw-Hill, Higher Education, 2009
Buku Teks