TY - BOOK TI - Occupational information : where to get it and how to use it in counseling and in teaching 3rd ed AU - Hoppock, Robert, 1901- PB - McGraw-Hill PP - New York : McGraw-Hill, [1967]. PY - 1967 UR - https://library.korea.ac.kr/detail/?cid=CAT000000124164&ctype=m