Bahasa Indonesia is easy to learn. Don't you believe? Some foreigners have studied here at ABBI. They are from UK, USA, Taiwan, Brazil, Korea, Japan, Australia, Ireland etc. They are from many organization and institution such as Tearfund, World Vision, etc. ABBI also help you to arrange your documen at imigration or walking around Yogyakarta.
You can see more about learning bahasa at ABBI here.
You can also see the students's comment about ABBI in here