Amir Abdulalla H, Aziz Mahmoud F. Effect of polluted soil with cadmium and lead in growth, yield and chemical structure in Carthamus tinctorius L. under nitrogen nutrition. EDUSJ [Internet]. 2009 Jun. 1 [cited 2025 Aug. 4];22(2):269-88. Available from: https://rjps.uomosul.edu.iq/index.php/edusj/article/view/17471