Herber, Lewis
Our synthetic environment / Lewis Herber
Alfred A. Knopf, 1962
Buku Teks
Kaufman, Donald G.
Biosphere 2000 : protecting our global environment
Kendall/Hunt, 1996
Buku Teks
Garte, Seymour
Where we stand: a surprising look at the real state of our planet
American Management Association, 2008
eBooks
Yi, Tog-il
Uri yoksa ui susukkekki
Kimyongsa , 2004
Buku Teks
Yi, Tog-il
Uri yoksa ui susukkekki
Kimyongsa , 2004
Buku Teks