Yudha, Gita Prima, Zozy Aneloi Noli, and M. Idris. 2014. “Pertumbuhan Daun Angsana (Pterocarpus Indicus Willd) Dan Akumulasi Logam Timbal (Pb)”. Jurnal Biologi UNAND 2 (2). https://doi.org/10.25077/jbioua.2.2.%p.2013.