Lee Ingyu (26 May 2013). "하나님의 교회를 주의하라" [Beware of the Church of God]. Dangdangnews.com (in Korean). Archived from the original on 29 July 2022. Retrieved 24 August 2022.
hdjk.co.kr
"어머니 하나님 장길자" [God the Mother]. Hyundae Religion (in Korean). 20 October 2019. Retrieved 22 May 2024.
Lee Ingyu (26 May 2013). "하나님의 교회를 주의하라" [Beware of the Church of God]. Dangdangnews.com (in Korean). Archived from the original on 29 July 2022. Retrieved 24 August 2022.