Hadi, K. A. (2025) “A Preliminary Study of Exhaled Breath Profiling of GERD-Asthma using an E-nose and Carbon Dioxide Concentration as Biomarkers”, Jurnal Penelitian Fisika dan Aplikasinya (JPFA), 15(1), pp. 1–11. doi: 10.26740/jpfa.v15n1.p1-11.