PhD Comics/1997 1. 너무 가까운걸/1997.10.27 파란하늘새 2021. 6. 15. 16:10 "Piled Higher and Deeper" by Jorge Cham www.phdcomics.com 출처: phdcomics.com/comics/archive.php?comicid=1 저작자표시 비영리 동일조건 (새창열림)
