Ilmu Lingkungan, 2009
Majalah, Jurnal, Buletin
Faculty of Engineering-Universitas Indonesia, 2007
Buku Teks
Newman, Edward I., author
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Buku Teks
Centre for research of human resources and the nvironment University of Indonesia, 1991
Buku Referensi
Kuhre, W. Lee, 1947-, author
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Buku Teks