KERJASAMA SISTER PROVINCE PROPINSI DAERAH ISTIMEWA YOGYAKATA DENGA PROPINSI CHIANG MAI THAILAND. ( SISTER PROVINCE BETWEEN THE PRONINCE OF CHIANG MAI THAILAND AND THE PRONINCE OF YOGYSKSRTS SPECIAL REGION.) - Diansari Solihah Amini (Universitas Muhammadiyah Yogyakarta, 2008)