Petrukhan-Shcherbakova, L. 2019. THEORETICAL APPROACHES TO THE CONCEPT «EFFECTIVENESS OF SOCIAL WORK» IN HERITAGE OF MARY ELEN RICHMOND. Continuing Professional Education: Theory and Practice. 1-2 (Oct. 2019), 108–113. DOI:https://doi.org/10.28925/1609-8595.2018(1-2)108113.