See:
- Yehuda Dagan and Butros Hanna: Afula, Survey of the Bypass Road, Final Report , 2011 - http://www.hadashot-esi.org.il/report_detail_eng.aspx?id=1874&mag_id=118
- Fadi Abu Zidan, Horbat Tavat, Final Report , 2013-http://www.hadashot-esi.org.il/Report_Detail_Eng.aspx?id=5435