Myth (Competition for the Patron God of Athens/The Founding of Athens):

Athena:

• https://en.wikipedia.org/wiki/Athena

• https://greekgodsandgoddesses.net/goddesses/athena/

• https://www.greekmythology.com/Olympians/Athena/athena.html

Poseidon:

• https://en.wikipedia.org/wiki/Poseidon

• https://greekgodsandgoddesses.net/gods/poseidon/

• https://www.greekmythology.com/Olympians/Poseidon/poseidon.html

Myth:

• https://greekmythologytours.com/athena-vs-poseidon-athens-called-athens/

• https://www.paleothea.com/Myths/Athens.html

• https://www.greeka.com/attica/athens/myths/athens-name-giving/

Manga:

Generic:

• https://en.wikipedia.org/wiki/Manga

• https://en.wikipedia.org/wiki/Mangaka (manga artist)

Creation Process:

• https://web-japan.org/trends/09_culture/pop110210.html

• https://comicsverse.com/anime-production/ (anime, but might be useful)

Hidenori Kusaka (author of the Pokémon Adventures manga):

• https://en.wikipedia.org/wiki/Hidenori_Kusaka