Because the work is a combination of social work especially certain knowledge and skills, including relationships that form the basis of all intervention and respect for the customer's choice and participation.
The practice combines social work with some particular knowledge and skills as well as the relationships that are the basis of all interference and respect for customer choice and participation.
Because social work practice integrated especially some knowledge and skills including use the relationship that is the basis of all interventions, and respect for the choice of customers and participation.