Ihsani, Fadhilah, Rafita Ramayati, Muhammad Ali, Rusdi Djas, Oke Ramayani, Rosmayanti Siregar, and Beatrix Siregar. 2017. “Noise Exposure at School and Blood Pressure in Adolescents”. Paediatrica Indonesiana 56 (6), 330-7. https://doi.org/10.14238/pi56.6.2016.330-7.