Mykola Yakymchuk and Ignat Korchagin (2023) “ON THE POSSIBILITY OF FREQUENCY-RESONANCE METHODS USING TO DETERMINE THE PRESENCE OF CHEMICAL ELEMENTS IN MINERALS, ROCKS AND SEDIMENTS OF CROSS-SECTION”, Foundations and Trends in Modern Learning, (1). Available at: https://ojs.scipub.de/index.php/FTML/article/view/628 (Accessed: 6 September 2026).