Autonomous Region in Muslim Mindanao, Department of Agriculture: Lanao del Surเก็บถาวร 2015-01-19 ที่ เวย์แบ็กแมชชีน (There are major discrepancies among authoritative sources: 4121.3 km² (NAMRIA); 1,349,437 ha (NSCB, this value seems unreasonable and must be assumed as erroneous, see Talk:Lanao del Sur#Area))
Autonomous Region in Muslim Mindanao, Department of Agriculture: Lanao del Surเก็บถาวร 2015-01-19 ที่ เวย์แบ็กแมชชีน (There are major discrepancies among authoritative sources: 4121.3 km² (NAMRIA); 1,349,437 ha (NSCB, this value seems unreasonable and must be assumed as erroneous, see Talk:Lanao del Sur#Area))
