Research methods in health :
Bowling, Ann.
Research methods in health : investigating health and health services / Ann Bowling. - 3rd ed. - England : Open University press, 2009. - xiii, 525 p.
0335233649 :
Public health--Research methodology.
Community health services--Research methodology.
Research methods in health : investigating health and health services / Ann Bowling. - 3rd ed. - England : Open University press, 2009. - xiii, 525 p.
0335233649 :
Public health--Research methodology.
Community health services--Research methodology.