Does she think I like her?

I do kinda like this shy introverted girl at work. Im kinda shy and introverted too. We dont see eachother much though and rarely get a chance to talk. I haven't really shown too much interest in her aside from eye contact followed by a smile, she generally responds well to this, and a couple times found her looking at me smiling on a different occasion but on the same day. Is this enough to make her think I like her?
Does she think I like her?
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