Zulni, S. S., M. Yuwono, R. E. Putri, A. Nabila, and R. A. Fathoni. “Flavoring Compounds in E-Liquids Identified by GC-MS: Chemical Insights and Respiratory Toxicity”. Ranah Research : Journal of Multidisciplinary Research and Development, Vol. 8, no. 1, Nov. 2025, pp. 772-81, doi:10.38035/rrj.v8i1.1927.