APA
Narula Sunil Kumar, University of Delhi. National Institute of Health and Family Welfare. Department of Community Health Administration, Dr Indira Murali Supervisor & University of Delhi. National Institute of Health and Family Welfare. Department of Community Health Administration. (1991). Study of surveillance system for vaccine preventable diseases in a district. : .
Chicago
Narula Sunil Kumar, University of Delhi. National Institute of Health and Family Welfare. Department of Community Health Administration, Dr Indira Murali Supervisor and University of Delhi. National Institute of Health and Family Welfare. Department of Community Health Administration. 1991. Study of surveillance system for vaccine preventable diseases in a district. : .
Harvard
Narula Sunil Kumar, University of Delhi. National Institute of Health and Family Welfare. Department of Community Health Administration, Dr Indira Murali Supervisor and University of Delhi. National Institute of Health and Family Welfare. Department of Community Health Administration. (1991). Study of surveillance system for vaccine preventable diseases in a district. : .
MLA
Narula Sunil Kumar, University of Delhi. National Institute of Health and Family Welfare. Department of Community Health Administration, Dr Indira Murali Supervisor and University of Delhi. National Institute of Health and Family Welfare. Department of Community Health Administration. Study of surveillance system for vaccine preventable diseases in a district. : . 1991.