na YOGYA-02090000033644 20090227024813.0 ind 010-020900000033644 910 Geo GEOGRAPHIC approaches to sosial education editor, Clyde. Kohn Washington The National Council for the social studies 1948 xv, 299 hlm ilus 24 cm Geografi Kohn, Clyde F YOPDYOG(B) 13-9-2006 1 A000063677