00659nam a2200217Ia 450000100060000000300050000600500170001100800410002801000150006902000150008405000160009908200100011510000300012524500380015526000720019330000230026549000510028850400280033965000350036765000390040239852BIBL20171214093258.0771117s1978    nju      b    00010 eng    a 77025427   a08777812060 aLB1032b.G6  a371.310aGodfrey, Robert G.2Local10aSession planscRobert G. Godfrey.0 aEnglewood Cliffs, N.J.bEducational Technology Publicationscc1978.  axii, 85 p.c24 cm. 4aThe Instructional design libraryvv. 162Local  aBibliography: p. 73-74. 0aGroup work in education2Local 0aTeachingxAids and devices.2Local