“Method for determination of 35 elements content in various samples with application of microwave digestion and inductively coupled plasma with mass spectrometry (ICP-MS)”, JAPS, vol. 13, no. 1, pp. pp. 99–113, Feb. 2016, Accessed: Apr. 24, 2026. [Online]. Available: https://js.ugd.edu.mk/index.php/YFA/article/view/1240