Social Workers Affecting Social Policy: An International Perspective edited by John Gal and Idit Weiss-Gal . 2013: University of Bristol, The Policy Press. ISBN:978-1-84742-961-2 Original article: Social Workers Affecting Social Policy: An International Perspective edited by John Gal and Idit Weiss-Gal . 2013: University of Bristol, The Policy Press. ISBN:978-1-84742-961-2