Building a sustainable society por BROWN, Lester R

Dunia penuh ancaman 1987 por BROWN, Lester R.

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

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

Outros Autores: “…BROWN, Lester R. [et al]…”

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

Outros Autores: “…BROWN, Lester R. [et al]…”