“…During the last decades, research in Northwestern Africa has greatly improved the chronology of the North Africa Middle Stone Age (Barton et al, 2009(Barton et al, , 2015Dibble et al, 2012;Doerschner et al, 2016;El Hajraoui et al, 2012;Jacobs et al, 2011Jacobs et al, , 2012Klasen et al, 2017;Richter et al, 2017Richter et al, , 2010Schwenninger et al, 2010).…”