Dyussenkulova, B., Zhakupbekova, A., Zhumadildinova, A., Yusupova, K., Kapar, A. and Orazbayeva, D. 1. Determination of nitrogen-containing pesticides in soil using vacuum-assisted headspace solid-phase microextraction. Chemical Bulletin of Kazakh National University. 110, 4 (1). DOI:https://doi.org/https://doi.org/10.15328/cb1340.