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Three weeks ago, I have submitted a paper to a journal that has a reputation for fast publication process. On their website, they mention that decision on acceptance or otherwise are taken quickly normally within a month of receipt of the paper. One week after submission the status of the paper changed from waiting assignment to in review . The journal use OJS for submissions. in review page something like this appear:
Peer Review Round 1
Review Version Final version.pdf 2018-11-24
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Does that mean still no external reviewer is assigned to the paper? Giving the circumstances is it too early to ask if any reviewer is assigned?