STAFF STYLING|THE SHOP YOHJI YAMAMOTO,113650083 | STUDIOUS,Explaining the Increase in “High-quality Chert” in the Early Upper Paleolithic Artifacts in Southern Jordan: Quantitative Examination of Chert Mechanical Properties and Fracture Predictability | Journal of Paleolithic Archaeology,STAFF STYLING|THE SHOP YOHJI YAMAMOTO,113650083 | STUDIOUS