Ihsani, F., Ramayati, R., Ali, M., Djas, R., Ramayani, O., Siregar, R. and Siregar, B. (2017) “Noise exposure at school and blood pressure in adolescents”, Paediatrica Indonesiana, 56(6), pp. 330-7. doi: 10.14238/pi56.6.2016.330-7.