S. Saleh, F., & فرح. (2025). Effect of Soil Pollution with Different Cadmium and Lead Concentrations on Carbohydrates, Proteins and some Nutrient Metals in Sunflower (Helianthus annuus L.) Plants. Rafidain Journal of Science, 23(8), 41–55. https://doi.org/10.33899/rjs.2012.64521