Ahmed, F. ., T. Z. . Malik, F. . Islam, and A. . Muzaffar. “Assessment of Barriers in Initiation and Completion of Isoniazid Preventive Therapy Among Household Child Con-Tacts of Pulmonary TB Patients in Delhi: A Mixed Method Study”. National Journal of Community Medicine, vol. 11, no. 05, May 2020, pp. 227-31, doi:10.5455/njcm.20200611114058.