1) What does "dark matter" mean?
https://dansdarkmatters.wordpress.com/2023/07/21/dark-matter-dark-matter-wherefore-art-thou-dark-matter/
2) Are the dark matter and modified gravity concepts mutually exclusive?
https://www.sciencedirect.com/science/article/pii/S135521982030109X
3) How to interpret Janus-faced theories that are both a form of dark matter and a modification of gravity?
https://www.sciencedirect.com/science/article/pii/S1355219820301106