ABDOU, H.; LÉOPOLD, E. N.; MALLOUM, M. S. A.; BITOM, D. Assessment of Heavy Metal Contamination Levels in Market Gardening Soils Used to Grow Onions (Allium Cepa) in the City of Abéché (Eastern Chad). International Journal of Applied Sciences and Biotechnology, [S. l.], v. 11, n. 1, p. 42–53, 2023. DOI: 10.3126/ijasbt.v11i1.53700. Disponível em: https://www.nepjol.info/index.php/IJASBT/article/view/53700. Acesso em: 17 apr. 2024.