State of the world 1990 a Worldwatch Institute report on progress toward a sustainable society

ग्रंथसूची विवरण
निगमित लेखक: Worldwatch Institute
अन्य लेखक: Brown, Lester Russell 1934-
स्वरूप: पुस्तक
भाषा:English
प्रकाशित: New York W. W. Norton and Company c1990
श्रृंखला:Worldwatch environmental alert series.
विषय: