Kenessov, B., and A. Kapar. “Optimization of Headspace Solid-Phase Microextraction of Volatile Organic Compounds from Dry Soil Samples by Porous Coatings Using COMSOL Multiphysics”. Chemical Bulletin of Kazakh National University, Vol. 107, no. 4, Oct. 2022, pp. 4-12, doi:https://doi.org/10.15328/cb1300.