Zulaika. “Purification Of Cerium from Jarang Earth Metals Using the Extraction Method and Supported Liquid Membrane Using Dibutyldithiocarbamate and Dibutylthiophosphat As A Complexing Agent”. Chempro, vol. 1, no. 01, Oct. 2024, pp. 22-27, https://ejurnal.unival-cilegon.ac.id/index.php/chem/article/view/313.