Building a sustainable society af BROWN, Lester R

Dunia penuh ancaman 1987 af BROWN, Lester R.

Dua puluh dua segi masalah kependudukan af BROWN, Lester R.

Dunia di tepi jurang kebinasaan/ penyunting Lester R.Brown dkk

Andre forfattere: “...BROWN, Lester R. [et al]...”

State of the world 1991: a worldwatch institute report on progress toward a sustainable society

Andre forfattere: “...BROWN, Lester R. [et al]...”