Artikel Jurnal
Widjajanti M. Santoso, Nina Widyawati, Katubi, Djoko Waluyo, authors
LIPI Press, 2010
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Gramedia Pustaka Utama, 2018
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Sarumpaet, Riris Kusumawati, author
UI-Press, 2003
UI - Pidato
Institute for Policy and Community Development Studies (IPCOS), 2001
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