Mardhiati, Retno dan Mardhiati, Retno dan Mardhiati, Retno dan Mardhiati, Retno dan Mardhiati, Retno dan Mardhiati, Retno  (2026) Bukti Mengajar MK Statistik Non Parametrik Semester Genap 2025 2026.  Universitas Muhammadiyah Prof. Dr. Hamka.    (Unpublished)