Patronen van kommunikatie en hun organisatorisch verband bij de landbouwvoorl...

The organization of communication patterns in agricultural information service / assistants were asked about the farmers in their districts / contacts with the farmers / the...农业信息服务中的沟通模式组织架构：调研向各辖区内的农户对接助理询问了其与辖区内农户的联络情况、……