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

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

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