Le, Son Thanh, et al. “Study on Some Parameters Affecting the Degradation of Methylene Blue in Water by Electro-Fenton Using Ti PbO2< sub> Anode”. <i>Vietnam Journal of Science and Technology</i>, vol. 59, no. 5, Oct. 2021, pp. 609-22, doi:10.15625/2525-2518/59/5/15932.