00684cam a2200217I 4500007086338MiAaHDL20091027000000.0m d cr bn ---auaua920528s1913 enk 000 0 eng ce 14000112 sdr-wu6392497(OCoLC)25905896Library, U.S. Bur. of EducationMTHMTHOCLLB1029.D5M2Mac Munn, Norman.Differentialism;a new method of class self-teaching,by Norman Mac Munn ...London,W.H. Smith & Sons; [etc., etc.,1913]27 p.19 cm.Mode of access: Internet.Differentiation (Developmental psychology)Self-culture.Individualized instruction.00708633820091026175639.020091027000000.020120815142109.02025-08-05T18:45:17Z2025-08-05T17:50:03Z2016-02-17T21:00:02ZSDR-WUUNKNOWNloader.pl-001-001BKsdr-wu6392497wuSDRWUwu.89097364897WU6392497WUWU20250805googlewu.890973648971913pdadd