KANDUNGAN BEBERAPA POLUTAN DAN KADAR DEBU PADA DAUN KETAPANG (Terminalia Catappa L.) DI KOTA SAMARINDA PROVINSI KALIMANTAN TIMUR: The Pollutant and Dust Contents in the Leaves of Terminalia Catappa L. In Samarinda City East Kalimantan Province. perennial 2021, 17 (2), 55-61. https://doi.org/10.24259/perennial.v17i2.13965.