Johnson Holubec

Johnson, David W., Roger T. Johnson, and Edythe Johnson Holubec. Circles of Learning. Alexandria, VA Association for Supervision and Curriculum Development, 1984. 

Johnson DW, Johnson RT, Johnson Holubec E. Cooperation in the classroom. Edina Interaction Book Co. 1991. 

Johnson, D., R. Johnson, and E. Holubec. 1998. Cooperation in the classroom. Boston Allyn and Bacon. 

Johnson, D.W., Johnson, R.T. and Holubec, E.J. (1986) Circles of Learning Cooperation in the Classroom, Edina Interaction Book Company. 

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See also in sourсe #XX -- [ ]

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