00721nam a22002297a 4500003000500000005001700005008004100022010001000063011001000073035001000083040000900093082001400102100002400116245008200140260002900222300001100251490005700262650005000319650004400369650002100413830005700434CHAP20220329140740.0971013s1973 r 00010 d a57005 a57977 a62132 cCHAP a309.2bS200aSchumacher, August. aDevelopment plans and planningb: bibliographic and computer aids to research aLondon :bSeminar,c1973 a193 p. aInternational biliographical and library seriesv; 314aCiencias socialesxSistemas de información.14aDesarrollo económicoxBibliografía.14aDocumentación.0 aInternational biliographical and library seriesv; 3