APA Style
Purwanto, Erwan Agus, Sulistyastuti, Dyah Ratih. ().
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Chicago Style
Purwanto, Erwan Agus, Sulistyastuti, Dyah Ratih.
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MLA Style
Purwanto, Erwan Agus, Sulistyastuti, Dyah Ratih.
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Turabian Style
Purwanto, Erwan Agus, Sulistyastuti, Dyah Ratih.
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