Khureldavaa, O., He, J., Hou, D., Zhang, R., Zhang, F., Oyuntsetseg, D. and Ganbaatar, J. (2014) “Residual characteristics of HCHs and DDTs in soil and dust of some parks in Ulaanbaatar, Mongolia”, Mongolian Journal of Chemistry, 15, pp. 15–20. doi: 10.5564/mjc.v15i0.315.