Liên quan Yoon Jong-gyu Yoon Ji-sung Yoon Jeonghan Yoon Bo-mi Yoon Doo-joon Yoon Jeong-hee Yoon Bo-ra Yoon So-hee Yoon Ji-min Yoon Jeong-han
Tài liệu tham khảo WikiPedia: Yoonjo http://kpopkpop.com/yoonjo-hello-venus-fact-and-pr... http://hellovenus.co.kr