Fakhraie, S., and A. Ebrahimi. “Facile Synthesis of a Modified HF-Free MIL-101(Cr) Nanoadsorbent for Extraction Nickel in Water and Wastewater Samples”. Analytical Methods in Environmental Chemistry Journal, Vol. 3, no. 02, June 2020, pp. 59-73, doi:10.24200/amecj.v3.i02.103.