00434nam a2200121Ia 4500008004100000040001700041082002300058100001700081245006600098260004000164300001600204650009200220190328s9999||||xx |||||||||||||| ||und||  aNITILcNITIL  221sta371.8bS897G  aStrang, Ruth 0aGroup activities in college and secondary schoolcRuth Strang  aNew YorkbHarper and Brothersc1946  axiii, 361p.  aEducation, Secondary; Activity programs in education; Schools-Exercises and recreations