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Google圖書搜尋
Suan shu ke ben
comp Hebei Sheng jiao yu ting
其他書名
gong, nung ye yu xiao xue (Mathematics textbook for worker, peasant adult Schools).
出版
Hebei ren min chu ban she (Hebei People's Publishing Company)
, 1958
URL
http://books.google.com.hk/books?id=rQxKPAAACAAJ&hl=&source=gbs_api