Is Self-Citation Biased? An Investigation via the Lens of Citation Polarity, Density, and Location.Published in:Information Systems Frontiers, 2020, v. 22, n. 1, p. 77, doi. 10.1007/s10796-018-9889-9By:Zhou, Lina;Amadi, Uchechukwuka;Zhang, DongsongPublication type:Article