APA

Uppal Preena, University of Delhi. Faculty of Medical Sciences. Department of Pediatrics, Dr. Anita Khokhar Gu, Dr. P. Paul Gu & University of Delhi. Faculty of Medical Sciences. Department of Pediatrics. (2007). Cause and effect relationship of school assenteeism in urban government school children (aged 10 to 15 years). : .

Chicago

Uppal Preena, University of Delhi. Faculty of Medical Sciences. Department of Pediatrics, Dr. Anita Khokhar Gu, Dr. P. Paul Gu and University of Delhi. Faculty of Medical Sciences. Department of Pediatrics. 2007. Cause and effect relationship of school assenteeism in urban government school children (aged 10 to 15 years). : .

Harvard

Uppal Preena, University of Delhi. Faculty of Medical Sciences. Department of Pediatrics, Dr. Anita Khokhar Gu, Dr. P. Paul Gu and University of Delhi. Faculty of Medical Sciences. Department of Pediatrics. (2007). Cause and effect relationship of school assenteeism in urban government school children (aged 10 to 15 years). : .

MLA

Uppal Preena, University of Delhi. Faculty of Medical Sciences. Department of Pediatrics, Dr. Anita Khokhar Gu, Dr. P. Paul Gu and University of Delhi. Faculty of Medical Sciences. Department of Pediatrics. Cause and effect relationship of school assenteeism in urban government school children (aged 10 to 15 years). : . 2007.