Mass communication research methods.vol. 4 / ed. by Anders Hansen. Repr.

    London [etc.] : Sage, 2011. VI, 346 s. : il. ; 24 cm.
    (SAGE Benchmarks in Social Research Methods)
    (SAGE Benchmarks in Social Research Methods)
    ISBN 978-1-4129-3004-8

   
T.17767        UKD: 659.3:316.77]=111