She's back from East Australia (3)

I believe the answer is:

zoe

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'she's' is the definition.

'back from east australia' is the wordplay.
'back' says the letters should be written backwards.
'from' becomes 'e' (I've seen this in other clues).
'east australia' becomes 'oz' (informal name for Australia. I am not sure about the 'east' bit.).
'e'+'oz'='eoz'
'eoz' in reverse letter order is 'ZOE'.

Can you help me to learn more?

(Other definitions for zoe that I've seen before include "___ Ball, broadcaster" , "Girl" , "Girl's name" .)

I've seen this clue in the Evening Standard.

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