You may want to get into Google Scholar plugging the key words: Balanced Scorecard - Tesla Motors. From the list, you may choose the most recently-published papers and the papers with higher citations. Then, you may scan the abstracts of the selected papers to see whether they should be in your literature review list.
By the way, if you are interested I have a paper published about using Balance Scorecard in Performance Management and Planning; you may check it out. The paper contains definitions of various kinds of Balanced Scorecards.