A child welfare center in Ethopia bears her name:

http://www.diretube.com/articles/read-ethiopian-child-welfare-center-named-for-kim-hye-ja_434.html

 Check out this fantastic website about Korean Films:

 http://koreanfilm.org/

 MOTHER Co-Writer/Director Bong-Joon Ho discusses myriad topics, including MOTHER and his other films, in this in-depth interview with the A.V. Club:

http://www.avclub.com/articles/bong-joonho,38936/