Payehghadr, M., Haghgoo Qezelje, H., Nourifard, F., Attaran, A. and Kalhor, M. (2019) ‚ÄúPreconcentration of ultra-traces of Cu(II) in water samples using SBA-15 sorbent modified with a thiocarbohydrazide ligand prior to determination by flame atomic absorption spectrometry‚ÄĚ, Journal of the Serbian Chemical Society. Belgrade, Serbia, 84(5), pp. 489-501. doi: 10.2298/JSC180606093P.