I. Obot, A. E. Effiong, and B. E. Asuquo, “Digital Signage Media in University Libraries as Catalyst for National Unity and Security: In Eboro, U. E. &Enang, U. B. (Eds.).Trending Technologies in Library and Information Science. ”, ADI, pp. 222–235, Jan. 2019, doi: 10.60951/afrischolar-308.