Abdul-Mohsen A. Al-Hammad และผู้แต่งคนอื่นๆ. (2015) Development of Maintenance Management Standards for Facilities of Large Public Organizations. ISEC Press:ม.ป.ท.Abdul-Mohsen A. Al-Hammad และผู้แต่งคนอื่นๆ. 2015. Development of Maintenance Management Standards for Facilities of Large Public Organizations. ม.ป.ท.:ISEC Press;Abdul-Mohsen A. Al-Hammad และผู้แต่งคนอื่นๆ. Development of Maintenance Management Standards for Facilities of Large Public Organizations. ม.ป.ท.:ISEC Press, 2015. Print.