1. (CIO) CIO. The estimates of population growth are based on the results of 2010 census and on the population register’s records. 2015 [Available from: http://www.cio.gov.bh/cio_eng/Stats_SubDetailed.aspx?subcatid=604.
2. UNESCO. Qal’at al Bahrain- Ancient Harbour and Capital of Dilmun 2012 [Available from: https://whc.unesco.org/fr/list/1192/assistance/.