Abdul Aziz, Roslaili, Mohd Nazry Salleh, Sunny Goh Eng Giap, Ain Nihla Kamaruzaman, Samera Samsuddin Sah, and Nur Athirah Suhaimi. 2025. “Risk Assessment of Copper in Mangrove Sediments of Kuala Perlis ”. Journal of Soil, Environment & Agroecology 6 (1):23-33. http://karyailham.com.my/index.php/sea/article/view/295.