00491nam a2200181Ia 4500008004100000040001900041041001200060082002600072100001600098245004300114250001200157260004200169300002000211504001900231650001400250651002500264850002000289131103s9999    xx            000 0 und d  aLoreto College  aEnglish  a371.3/RYBbLCBED/9266  aRyburn,W.M. 4aThe principles of teachingcW.M.Ryburn  a3rd ed.  aLondonbOxford University Pressc1975  a244p. c 17 cm.  aIncludes index  aEducation  aEducation-principles  aLCBED/371.3/RYB