TY - BOOK AU - Johnson,David W. AU - Johnson,Roger T. TI - Learning together and alone: Cooperative, competitive, and individualistic learning SN - 0135278716 (pbk.) PY - 1987/// 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 - Includes index; Bibliography: p. 185-188 ER -