Bečić, Ervina, et al. “Optimization and Validation of Europium-Sensitized Fluorescence Method for Determination of Tetracycline Antibiotics in Water from Fish Farms”. Bulletin of Chemists and Technologists of Bosnia and Herzegovina, vol. 59, Dec. 2022, pp. 11-16, https://doi.org/10.35666/2232-7266.2022.59.02.