The Hui population in the Ningxia autonomous region of China is disadvantaged to the Han majority when it comes to lengt......

During the covid-19 pandemic, video-based online teaching is adopted by many schools. with the popularization of smart d......

目的制作一部通俗易懂和适应佤族文化特点的互动式翘首健康教育录像片.方法直接从目标人群中悼念背景材料及故事素材,邀请社区代表......