Hi @Aznur,
You might be interested in this recent talk that was given (yesterday, in fact):
As I understand it (the presenter talks about this around 54:00 in the video in response to a question), there is some work underway in version 3.6 to better support multilingual references.
There is this (a bit older) discussion here:
I’m not aware, off-hand, of plugins or other workflows that might help with this, but others might wish to weigh in.
-Roger
PKP Team