THE YOUNGEST DOCTOR ON MATHEMATICS EDUCATION WHO GRADUATED IN THE SHORTEST PERIOD
On January 24, 2023, Duano Sapta Nusantara, a Doctor of Mathematics Education, graduated from the PhD program in mathematics education at Sriwijaya University. Under the supervision of Prof. Dr Zulkardi, M.I.Komp., M.Sc. (Sriwijaya University), Prof. Dr Ratu Ilma Indra Putri, M.Si (Sriwijaya University), and Assoc. Prof. Dr Michiel Doorman (Utrecht University, The Netherlands) successfully defended…