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Population System Control

Jian SongJingyuan Yu

出版	China Academic Publishers, 1988
主題	Mathematics / AppliedSocial Science / DemographySocial Science / Abortion & Birth Control
ISBN	03871828889780387182889
URL	http://books.google.com.hk/books?id=MRm3AAAAIAAJ&hl=&source=gbs_api