Harris, Marvin, 1927-2001, author
Jegeun Ingan = our kind : Illyve gwanhan 102 gaji susukkekki
Minemsa, 2007
 Buku Teks
Herber, Lewis
Our synthetic environment / Lewis Herber
Alfred A. Knopf, 1962
 Buku Teks
Kaufman, Donald G., author
Biosphere 2000 : protecting our global environment
Kendall/Hunt, 1996
 Buku Teks
Garte, Seymour, author
Where we stand: a surprising look at the real state of our planet
American Management Association, 2008
 eBooks
Yi, Tog-il, author
Uri yoksa ui susukkekki
Kimyongsa , 2004
 Buku Teks
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