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Politeknik Negeri Medan, 2017
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Virginia Rusli, author
2006
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Virginia Rusli, author
Fakultas Psikologi Universitas Indonesia, 2006
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Johan Maharta Chan, author
Fakultas Teknik Universitas Indonesia, 2002
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Nana Suhana, author
Program Pascasarjana Universitas Indonesia, 1998
UI - Tesis (Membership)