Wafiyah, I., Yuwono, M. and Primaharinastiti, R. 2026. Systematic Review of GC-MS-Based Methods for Determination of Aldehydes in Electronic Cigarette Liquids. Ranah Research : Journal of Multidisciplinary Research and Development. 8, 4 (Jun. 2026), 2286-2294. DOI:https://doi.org/10.38035/rrj.v8i4.2120.