Hajarsjah, N., R. Daulay, O. Ramayani, W. Dalimunthe, R. Daulay, and F. Meirina. “Tuberculosis Risk Factors in Children With Smear-Positive Tuberculosis Adult As Household Contact”. Paediatrica Indonesiana, Vol. 58, no. 2, Apr. 2018, pp. 66-70, doi:10.14238/pi58.2.2018.66-70.