Larik และ Zahid. (1994) Study of self-care in enteric fever amongst the guardians of children in Pakistan. Mahidol University,:ม.ป.ท.Larik และ Zahid. 1994. Study of self-care in enteric fever amongst the guardians of children in Pakistan. ม.ป.ท.:Mahidol University,;Larik และ Zahid. Study of self-care in enteric fever amongst the guardians of children in Pakistan. ม.ป.ท.:Mahidol University, 1994. Print.