Disability a diversity model approach in human service practice paperback aug 14 1998 by dr romel w mackelprang author dr richard o salsgiver author 45 out of 5 stars 23 ratings see all formats and editions hide other formats and editions amazon price new from used from paperback please retry cdn 1215 cdn 3137 cdn 739 paperback cdn 1215 15 used from cdn 739 2 . The third edition of disability remains an indispensable tool for human service practitioners in understanding disability from an empowerment perspective the authors address policy theory description and practice stressing the difference of disability rather than the dysfunction of disability. Disability a diversity model approach in human service practice romel w mackelprang richard o salsgiver 9781935871675 books amazonca. Romel w mackelprang and richard o salsgiver introduce an empowerment approach to working with persons with disabilities a direction that lights the way for human service workers and provides clients with greater independence and resilience