00746nam a2200229Ia 4500001000700000003000500007005001700012008004100029010001500070020001500085050001400100082001400114100002300128245011500151260003700266300002400303500001100327504002900338650005900367700004700426700004300473243006BIBL20170223064022.0740425s1974 maua b 00110 eng  a 73011769  a03951762550 aH62b.E44 a300/.7/1210aEhman, Lee.2Local10aToward effective instruction in secondary social studiesc[by] Lee Ehman, Howard Mehlinger [and] John Patrick.0 aBostonbHoughton Mifflinc[1974] axiv, 458 p.billus. a920518 aIncludes bibliographies. 0aSocial sciencesxStudy and teaching (Secondary)2Local10aMehlinger, Howard D.ejoint author.2Local10aPatrick, John J.,ejoint author.2LEMB