Fideršek, E.D. (2024) “Comparison of the Extraction Methods for Iron Content Assay in St. John’s Wort”, Bulletin of Chemists and Technologists of Bosnia and Herzegovina, (5 Special Issue), p. 24. Available at: https://glashem.pmf.unsa.ba/index.php/bctbh/article/view/513 (Accessed: 3 September 2026).