Tài liệu tham khảo WikiPedia: Công_cụ_đá http://www.newarchaeology.com/articles/recognize_s... http://www.archaeology.hawaii.edu/jlg/lithics/lith... http://archserve.id.ucsb.edu/courses/anth/fagan/an... http://www.texasbeyondhistory.net/theme/tools/inde... http://www.hf.uio.no/iakh/forskning/sarc/iakh/lith... http://www.hf.uio.no/iakh/forskning/sarc/iakh/lith... http://www.nativetech.org/stone/flake.html http://www.nativetech.org/stone/stonetypes/index.h... http://www.worldmuseumofman.org https://commons.wikimedia.org/wiki/Category:Stone_...
