Social work is an academic discipline and practice-based profession concerned with meeting the basic needs of individuals, families, groups, communities, and society as a whole to enhance social functioning, solve social problems, and promote social responsibility. Social work practice draws from areas, such as psychology, sociology, health, political science, community development, law, economics, and other related fields to engage with client systems, conduct assessments, and develop interventions to solve social and personal problems. Social work practice is often divided into three levels. Micro-work involves working directly with individuals and small groups, such as providing individual counseling or assisting a family in locating housing. Mezzo-work involves working with communities and large groups, such as conducting group therapy or providing services for community agencies. Macro-work involves fostering change on a larger scale through advocacy, social policy, research development, non-profit and public service administration, or working with government agencies. Starting in the 1980s, a few universities began social work management programmes, to prepare students for the management of social and human service organizations, in addition to classical social work education.