Oh Yeon-seo, Korean drama star and former K-pop girl band Luv member – 5 things you need to know, including her beauty secrets | South China Morning Post
Oh Yeon Seo (오연서) - MyDramaList
Lee Joon's Mother Teaches Oh Yeon Seo How to Show Aegyo | Soompi
Things You Didn't Know About Oh Yeon Seo | Oh Yeon Seo (오연서) ~ Oh Haetnim (오햇님)
We Love Oh Yeon Seo(Oh Haet Nim) International | Facebook