Compare historical death customs to new directions in funerals and body disposition

Compare historical death customs to new directions in funerals and body disposition.

Discuss customs that originate in specific regions or cultures (language, clothing requirements, specific rituals, involvement of children, etc.).

Describe ways that individuals to memorialize those who have passed, including if age or cause of death impacts the memorialization?

Peer-reviewed, scientifically researched sources that are 10 years old or younger are what I am struggling with. Any are welcome.