Masithoh Yessi Rochayani, S.Si., M.Stat. NIP : 199310022024062004 NIDN : 0002109302 NUPTK : 4334771672230193 Jabatan : Pengajar Pangkat, Golongan : Penata Muda Tk I, III/b E-mail : yessi [dot] rochayani [at] live [at] undip [at] ac [at] id Kepakaran : Data Mining