Turabov, N. T.; Todjiev, J. N.; Xayrullaeva, S. L. SPECTROPHOTOMETRIC DETERMINATION OF ZINC IONS USING 4-(2-PYRIDYLAZO)-RESORCINOL REAGENT. SRT 2025, 3 (3), 162-168. https://doi.org/10.70769/3030-3214.SRT.3.3.2025.20.