MM Islam, G Maryam, NM Majid, OH Ahmed, and A Abdu. 2015. “PHYTOREMEDIATION OF COPPER-CONTAMINATED SEWAGE SLUDGE BY TROPICAL PLANTS”. Journal of Tropical Forest Science (JTFS) 27 (4):535-47. https://jtfs.frim.gov.my/jtfs/article/view/966.