00614nam a2200157Ia 4500001001100000005001700011008004100028050001700069090001100086245007500097260008500172300002500257500012400282650003500406999001500441000000612720251012174448.0  720121s1959    nyua          000 0 eng00aLC6519b.M5500a374.2410aLearning to work in groups;ba program guide for educational leaders.   aNew York,bBureau of Publications, Teachers College, Columbia Universityc1959.   a285 pbillusc24 cm.  a"A publication of the Horace Mann-Lincoln Institute of School Experimentation, Teachers College, Columbia University."  0aForums (Discussion and debate)  c3990d3990