Study Program Management Unit 23 November 2022, 09.04 Oleh: admin 0 Dr. Nanang Susyanto, S.Si., M.Sc. Head of Department of Mathematics nanang_susyanto@ugm.ac.id Dr. Noorma Yulia M., S.Si., M.Sc. Secretary of Department of Mathematics noorma_yulia@ugm.ac.id