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Buku Teks
Spain, Bryan
CRC Press, Taylor & Francis Group, 2009
Buku Teks
Spain, Bryan, author
CRC Press, Taylor & Francis Group, 2009
Buku Teks
Schonberger, Richard John, author
N.Y. The Free Press, 1986
Buku Teks
Tatiana Rahmawati, author
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2012
UI - Skripsi (Open)