Mardhiati, Retno dan Mardhiati, Retno dan Mardhiati, Retno dan Mardhiati, Retno  (2026) SK Mengajar Semester Genap 2025 2026 atas Nama Retno Mardhiati.  Universitas Muhammadiyah Prof. Dr. Hamka.    (Unpublished)