TY - BOOK ID - 130132605 TI - Mass media: systems and effects AU - Davison, W. Phillips AU - Boylan, James AU - Yu, Frederick T.C. PY - 1982 SN - 0030524814 PB - New York (N.Y.) Holt, Rinehart and Winston DB - UniCat UR - https://www.unicat.be/uniCat?func=search&query=sysid:130132605 AB - ER -