Bertha Toha, author
Universitas Indonesia, 2017
UI - Tesis (Membership)
Solichah Ratnasari, author
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UI - Tesis (Membership)
Ristinen, Robert A., auhtor
John Wiley & Sons, 2006
Buku Teks
Treshow, Michael, author
McGraw-Hill, 1976
Buku Teks
Cooper, J.I., author
Chapman and Hall, 1984
Buku Teks