1. Status quo and policy analysis of population aging from a public perspective;Jinxiang;Wealth Today (Intellectual Property rights of China),2021
2. Practice the exploration and practice of urban renewal action;Zesheng;Housing industry,2021
3. Research on multifunctional stair climbing device and design of control system;Fengqin,2008
4. Research on Ideas Generation Process for Mechanical Product Radical Innovation Based on TRIZ;Enshun;China Mechanical Engineering,2014