Observation methods.Vol. 3 / ed. by Barry Smart, Kay Peggs and Joseph Burridge.
    London [etc.] : SAGE, 2013. VI, 355 s. : il. ; 24 cm.
    (SAGE Benchmarks in Social Research Methods)
    (SAGE Benchmarks in Social Research Methods)
    ISBN 978-1-4462-0811-3 (set of four volumes)

   
T.14283        UKD: 303.4/.8=111