2020-12-13 [2021-06-05]. (原始内容存档于2022-04-19) (日语). 2016 China Medical Tourism Report. Marcetable. 2017-01-29 [2017-02-12]. (原始内容存档于2019-11-29). [3] 10년간 한국 찾은
ISBN 978-90-76109-03-9. (原始内容存档于2018-10-05) (荷兰语). Mikhman, Dan; Gutman, Israel (编). The encyclopedia of the righteous among the nations: rescuers of Jews