00393nam a22001457a 4500003000400000005001700004008004100021020001100062040002600073100003400099245004600133250001800179260003900197300001100236OSt20260205101241.0260203b        |||||||| |||| 00| 0 eng d  a(pbk.)  cNVSU Library Bambang   aRiverside Social Studies Prg.  aYou and mecRiverside Social Studies Prg.  aTeacher's Ed.  bThe Riverside Social Studiesc1970  a128 p.