"[D]ata... not directly investigated and verified by B'Tselem was drawn from... publications and reports by human rights organizations, humanitarian agencies, UN offices and bodies, investigations and reports by reputable media outlets committed to journalistic ethics and data verification standards, expert... internationally recognized professionals, and primary sources... as testimonies and verified documentation from the field. In addition, we drew on... scholarly literature that has examined... genocide... throughout history.., as well as... researchers who have documented widespread practices... in the... war in Gaza and published... in recognized academic journals."
January 1, 1970
https://en.wikiquote.org/wiki/Our_Genecide_(B'Tselem)