TY - BOOK AU - Johnson,David W. AU - Johnson,Roger T.,1938- TI - Learning together and alone: cooperation, competition and individualization SN - 0135279526 PY - 1975/// CY - Englewood Cliffs, N.J. PB - Prentice-Hall KW - Group work in education KW - Individualized instruction KW - Interaction analysis in education KW - Lesson planning N1 - Bibliography: p. 204-214 ER -