"Geographical Condition". Gorontalo ~ Provinsi Agropolitan (بالإندونيسية). Provincial Government of Gorontalo. Archived from the original on 2007-07-16. Retrieved 2007-08-27.
"Geographical Condition". Gorontalo ~ Provinsi Agropolitan (بالإندونيسية). Provincial Government of Gorontalo. Archived from the original on 2007-07-16. Retrieved 2007-08-27.