social work
by dingdong chan

1. improve the quality of life
1.1. research
1.2. practice
2. theories
2.1. economics,
2.2. education
2.3. sociology
2.4. medicine
2.5. philosophy
2.6. politics
2.7. psychology
3. roots
3.1. struggle of society
3.1.1. poverty
3.1.2. resultant problems
4. perform interventions
4.1. research
4.1.1. human development
4.1.2. social policy
4.1.3. public administration
4.1.4. program evaluation