BIEN AIMÉ NDONGALA; FISTON MASIKINI; HERVÉ KAWITA; VALENTIN IKOLI; STANY BELANGA; CHRISTEVIE N’SUNGU; JACQUES HENRY BOMOI; THIERRY TANGOU. Heavy metal contamination (PB, CD, AS, CR) in NPK 17-17-17 fertilizers marketed in Kinshasa, Democratic Republic of the Congo: regulatory compliance, health and environmental risk assessment. International Journal of Scientific Research and Innovative Studies, [S. l.], v. 5, n. 4, p. 927–938, 2026. DOI: 10.63883/ijsrisjournal.v5i4.916. Disponível em: https://ijsrisjournal.com/index.php/ojsfiles/article/view/916. Acesso em: 20 sep. 2026.