Analysis of Lead (Pb) in Leaf of Tabebuia aurea from Polluted Air Rachmadiarti Fida, Asri Mahanani, Sahani Kandilia Sari, Nella Yulia and Nafidiastri Farah Aisyah MATEC Web Conf., 372 (2022) 07001 Published online: 08 December 2022 DOI: 10.1051/matecconf/202237207001