00831nam a2200217Ia 4500 CTU_228997 210402s9999 xx 000 0 und d 338.1 B877 Brown, Lester R. Vital Sings 1999 : The trends that are shaping our future Lester R. Brown New York W. W. Norton & company 1999 This annual volume from the Worldwatch Institute shows in graphic form key trends that often escape the attention of the news media, world leaders, and economic experts, but should be integrated into their plans as they map out our global future. Nông nghiệp,Agriculture Nguyen Kim Nga dqhieu Trung tâm Học liệu Trường Đại học Cần Thơ