Fawwaz, F., Sweileh, B., Massad , R., & Aljamal, E. (2021). Removal of Pb(II), Zn(II), Sn(II) and Cu(II) Ions from Aqueous Solutions by Linear Alternating Poly(4,4’-biphenol oxalate) Oligomer. Jordan Journal of Chemistry (JJC), 15(2), 73-85. https://doi.org/10.47014/15.2.3 (Original work published August 8, 2020)