ISBN 110753173X books & textbook
Delta Theory and Psychosocial Systems: The Practice of Influence and Change
Cambridge University Press /2015-07-02 Paperback / 206 Pages
isbn-10: 110753173X / isbn-13: 9781107531734
Cambridge University Press /2015-07-02 Paperback / 206 Pages
isbn-10: 110753173X / isbn-13: 9781107531734