【作者(必填)】Min Zhong, Yuchun Zhu, Qihui Chen, Tianjun Liu, Qihua Cai

【文题(必填)】Does household engagement in concurrent business affect the farm size-technical efficiency relationship in grain production?: Evidence from Northern China

【年份(必填)】2019

【全文链接或数据库名称(选填)】https://www.emeraldinsight.com/doi/full/10.1108/CAER-11-2016-0179