00505nam a2200133Ia 4500008004100000040001700041082002300058100001500081245004000096260004200136300001700178440008200195650009400277190328s9999||||xx |||||||||||||| ||und||  aNITILcNITIL  221sta370.15bE92S  aEvans, K M 0aSociometry and educationcK M Evans  aLondonbRoutedge and Kegan Paulc1962  avii, 149+16p  aInternational library of sociology and social reconstruction/ed by W J Sprott  aSociometry; Educational tests and measurements; Mathematical sociology; Social psychology