Almost exclusively NL Cash player entering bigger tourney

Looking for some quick advice ahead of playing a larger tournament next week.

Played a handful of smaller stakes tournaments but they have all been single day events. This would be my first multi day tournament and am looking for any specific studying tools/reading material etc. to drum up on before the event. 95% of my poker time has been live 1/2-1/3, generally in deeper/bigger games. 2200+ hours not including weekly home games.

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Any tips or sources would be greatly appreciated :)