State of the world, 1989 : a Worldwatch Institute report on progress toward a sustainable society / - 1st ed - New York : Norton, c1989 - xvi, 256 p. ; 24 cm

Includes index

0393026388 : 0393305678


Economic history
Economic policy

338 NOR 1989 A014 Or.
មជ្ឈមណ្ឌលឯការនៃសាកលវិទ្យាល័យភូមិន្ទកសិកម្មចំការដូង

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