Sawitri, N., Rosmajudi, O., Subardja, D., & D N, H. (2016). Effect of particulate matter (PM 10) pollutant concentration on peak expiratory flow rate score in junior high school students. Paediatrica Indonesiana, 43(2), 66-9. https://doi.org/10.14238/pi43.2.2003.66-9