Synthesis and structural elucidation of a novel hetero-dodecametallic yttrium-sodium complex based on EDTA: insights into f/s-block coordination chemistry - Fall, Ndiouga; Diop, Amar; Seck, Thierno Moussa; Thiam, Ibrahima Elhadji; Diouf, Ousmane; Ellena, Javier; Gaye, Mohamed (International Research Journal of Pure and Applied Chemistry, 2025)