00698cam a2200205 a 4500 1/40405 101007s1970 enk b 001 0 eng d 0047110023 43166 DLC GR-PeUP 309.2΄62΄072 BUR Burton, Thomas L. Social research techniques for planners / Thomas L. Burton and Gordon E. Cherry. London : Allen & Unwin, 1970. 138 σ. ; 23 εκ. Βιβλιογραφία: σ. 131-134. Social surveys. Social sciences Research. Cherry, Gordon Emanuel. INST UNIPILB MAIN 20101007 309.2΄62΄072 BUR 00158399 00158399 LOAN 0 1