《GUIDELINES FOR THE SAFE USE OF WASTEWATER AND EXCRETA IN AGRICULTURE AND AQUACULTURE MEASURES FOR P》

1989《GUIDELINES FOR THE SAFE USE OF WASTEWATER AND EXCRETA IN AGRICULTURE AND AQUACULTURE MEASURES FOR P》由于是年代较久的资料都绝版了,几乎不可能购买到实物。如果大家为了学习确实需要,可向博主求助其电子版PDF文件(由DUNCAN MARA 1989 WORLD HEALTH ORGANIZATION GENEVA 出版的版本) 。对合法合规的求助,我会当即受理并将下载地址发送给你。