MULLINS, Nicholas O. text London Harper & Row Publishers 1971 id viii,184p; 20cm psikologi -- metodologi penelitian 001.5:16 210426 20210426121507 INLIS000000000010264 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)