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Fakultas Ilmu Pengetahuan dan Budaya Universitas Indonesia, 2015
UI - Tesis (Membership)
National Institute for Research Advancement, 1985
Buku Teks
Rew, Alan
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Buku Teks
Newland, Kathleen, author
Worldwatch Institute, 1980
Buku Teks
Kanemoto, Yoshitsugu, author
North-Holland Publishing, 1980
Buku Teks