AKATAKA, Christopher Ogechukwu; EZE, Basil Uchenna; OBUKA, Esther Njideka. SOURCES AND CONCENTRATION LEVELS OF HEAVY METALS IN SURFACE WATER AROUND ABANDONED COAL MINES IN NYABA CATCHMENT AREA, ENUGU STATE, NIGERIA. Irish International Journal of Engineering and Applied Sciences, [S. l.], v. 9, n. 5, p. 28–84, 2025. DOI: 10.5281/zenodo.17277908. Disponível em: https://aspjournals.org/Journals/index.php/iijeas/article/view/1378. Acesso em: 21 dec. 2025.