TY - BOOK TI - Content analysis : an introduction to its methodology 2nd ed AU - Krippendorff, Klaus. SN - 0761915443 (acid-free paper) PB - Sage PP - Thousand Oaks, Calif. : Sage, c2004. PY - 2004 UR - https://library.korea.ac.kr/detail/?cid=CAT000045117565&ctype=m