Huboyo HS, Manullang OR, Samadikun BP. Identifying Concentration of Carbon Dioxide at Heights of 1.5 M and 15 M in Six Locations in Urban Areas. j.ris.technol.pencegah. [Internet]. 2022 Nov. 10 [cited 2024 Apr. 23];13(2):1-9. Available from: https://jrtppi.id/index.php/jrtppi/article/view/136