Author

Ruifeng Liu

2 books found

Cover of Qu yu te se nong chan pin zhi liang an quan jian guan yu zheng ce xiao ying yan jiu

Qu yu te se nong chan pin zhi liang an quan jian guan yu zheng ce xiao ying yan jiu

Ruifeng Liu · First published 2012

Cover of Xinjiang di li biao zhi nong chan pin

Xinjiang di li biao zhi nong chan pin

Ruifeng Liu · First published 2010