Evaluation of the Three-Stage BCR (European Community Bureau of Reference) Sequential Extraction Procedure to Assess the Potential Mobility and Toxicity of Heavy Metals in Roadside Soils. Pakistan Journal of Scientific & Industrial Research. 2006;49(3):181-188. Accessed March 10, 2026. https://www.v2.pjsir.org/index.php/biological-sciences/article/view/1146