Habibi, J., A. D. . Susanto, and R. Ratnawati. “The Correlation Between Air Pollution Levels in East Jakarta and COPD Exacerbation at Persahabatan Hospital in 2019”. Respiratory Science, vol. 5, no. 3, June 2025, pp. 167-75, doi:10.36497/respirsci.v5i3.169.