00625cam a22002051  4500001001300000003000400013005001700017008004100034010001700075035002000092040001900112042001200131050001400143100002600157245012600183260004200309300001800351650003300369999001700402ca 29000462 DLC20260227111121.0920808s1929    pau           000 0 eng    aca 29000462   a(OCoLC)26351096  aDLCcMoSWdDLC  apremarc00aQ181b.E61 aElhuff, Lewis,d1880-10aLibrary individualistic and group-method of instruction in general science and the natural sciences,cby Lewis Elhuff ...  aHarrisburg, Pa.,bThe author,cc1929.  a30 p.c23 cm. 0aSciencexStudy and teaching.  c16525d16525