KEYVANFARD, M., and ALI A. ENSAFI. “Kinetic-Catalytic-Spectrophotometric Determination of Trace Amounts of Tellurium(IV) by Its Catalytic Effect on the Reduction of Brilliant Cresyl Blue With Sodium Sulfide in Cationic Micellar Medium”. Asian Journal of Chemistry, vol. 19, no. 1, Mar. 2010, pp. 435-42, https://asianpubs.org/index.php/ajchem/article/view/20476.