Nong min chuang ye zhi shi 100 wen

by Danying Xing, Yong Hao

Ben shu zuo zhe jiang zheng ce, zi yuan, ke ji, jue ce, shi chang, guan li deng liu ge fang mian de nei rong, gui na wei 100 ge ti mu, bao kuo ru he huo de chuang ye de zheng ce zhi shi, ru he ying…