00503nam a22001577a 4500003000800000005001700008008004100025040002100066082001500087245009300102260005700195300002500252650001500277700002900292700002400321BD-DhUL20240808110557.0240808s1968    xxu||||| |||| 00| 0 eng d  aBD-DhULcBD-DhUL  a070.1bNAI00aIntroduction to mass communications research /cedited by Ralph O Nafziger,  D. M. White  aNew York :bLouisiana State University Press,c1968.  aix, 281 p. ;c 24 cm4 aJournalism1 aNafziger, Ralph O.,eed.1 aWhite, D. M., eed.