text London W.W.Norton Company 1985 4th ed. eng xxi, 695 p. : il. 25 cm Martin E.P. Seligman PSIKOTERAPI 616.89 616.89 Sel a 393974170 INLIS000000000072410 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)