https://www.sungshin.ac.kr/sites/teaching/index.do
https://www.sungshin.ac.kr/teaching/13339/subview.do
https://docs.google.com/spreadsheets/d/e/2PACX-1vR87VpsysleLpfA89cXBq0_G1cLd-0JLDWNWkqaP2DUY0fu93YHlXFnAK8JNmQRUTtfMgtEPPyVKW7W/pubhtml?gid=0&single=true
https://docs.google.com/spreadsheets/d/e/2PACX-1vTHDCycEq9kurp8F4uboc-8jk8ttMi9h43VHKIato-pj_mriqHRUN0_uj_RwbVpWYE2TH6sSO01obL5/pubhtml?gid=650501337&single=true