The Bulgarian had a hand in Steve Sidwell's 21st minute opener before converting from the penalty spot on the half-hour mark and his match-winning display was not lost on Parker.
"It was very good. We all know the quality he has," he told Sky Sports.
"He was exceptional again today and was on Wednesday.
"We all need to put in a shift and he's part of the team and we need to carry on from where we've left off today. We all knew how important today was, we put in a shift and got the three points.
"We needed to pick up some points. We had a good performance on Wednesday and followed up with a win."
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