Guozhu Tuo

1944

• Zheng ce xing nong ye bao xian ju zai feng xian guan li yan jiu
• "San nong" bao xian chuang xin yu fa zhan yan jiu
• Zhi du jian she yu zheng fu ze ren
• Zhongguo nong ye bao xian yu nong cun she hui bao zhang zhi du yan jiu =