00677nam a2200217Ia 450000100060000000300050000600500170001100800410002801000150006903500200008404000240010405000170012808200150014510000370016024500770019726000420027430000220031649000520033850400290039065000400041966503BIBL20160527192610.0690408s1969    ohu      b    001 0 eng    a 69011433   a(OCoLC)01419683  aDLCcDLCdm.c.dOCL0 aLB3051b.S59  a371.3/028210aSmith, Robert McNeil.wdn2Local10aTeacher diagnosis of educational difficulties.cRobert M. Smith: editor.0 aColumbus, OhiobC. E. Merrillc[1969]  ax, 226 p.c24 cm.0 aMerrill's international education series2Local  aIncludes bibliographies. 0aGrading and marking Students2Local