Tadjoedin, Irfan Hasyim, Adityo Wibowo, and Triya Damayanti. 2024. “Determining Factors for Smoking Habits and FeNO Levels in Male College Student Smokers”. Jurnal Respirasi 10 (2):130-36. https://doi.org/10.20473/jr.v10-I.2.2024.130-136.