19-20 shi ji zhong ye Zhongguo ying su zhong zhi shi yan jiu /

by Zhang, Jubao, 1978-
Guangzhou Shi : Guangdong ren min chu ban she, 2017
Di 1 ban.

Wan Qing nong xue de xing qi yu kun jing = The rise and dilemma of agricultural science in late Qing dynasty /

by Li, Yindi
Beijing : Ke xue chu ban she, 2021
Di yi ban.