Question: Integration of Theory and Skills and Proposition used: Utilizing the ecological systems perspective (Bronfenbrenner, 1979), of strengths-based practice, which focuses on the client's potential for growth and resilience (Saleebey, 2006). I applied principles of person-centered therapy. expand and paraphrase in less than 3 paragraphs. In this context, person-centered therapy principles. Proposition 15 and 19 and 0ne used, explain each. In text appropriate Harvard referencing. Need Assignment Help?