Effect of La co‑doping in Zr‑doped CeO¬¬2 (LaxZr0.05Ce1-(x+0.05) O2) catalyst synthesized via orange peel extract for soot oxidation Read more about Effect of La co‑doping in Zr‑doped CeO¬¬2 (LaxZr0.05Ce1-(x+0.05) O2) catalyst synthesized via orange peel extract for soot oxidation