Soffer, J. (1993). Jean Piaget and George Kelly: Twoard a stronger constructivism. INTERNATIONAL JOURNAL OF PERSONAL CONSTRUCT PSYCHOLOGY, 6:59-77.
Rychlak, J.F. (1981) INTRODUCTION TO PERSONALITY AND PSYCHOTHERAPY (2ND EDITION). Chapter 11 entitled: "Two kinds of constructive theories: Jean Piaget and G.A Kelly. pp. 664-753.
Hope this is helpful.
Good luck!
Ketrin
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