R. S. M. Silva, “ANTIMICROBIAL EFFECT OF OLIGOMERIC COPPER(II) DERIVATIVES OF BIS(PYRIMIDIN-2-YLTHIO)- AND BIS(4,6-DIMETHYLPYRIMIDIN-2-YLTHIO)ALKANES”, J. Eng. Exact Sci., vol. 2, no. 2, pp. 001–017, Mar. 2016.