Bukar, G. .; Suraj, J. M. .; Usman, A. .; Ibrahim, A. M. .; Yusuf, M. S. . Assessing the Validity and Reliability of Standard Examination As a Yardstick for Admission Exercise in Higher Institutions of Learning in Yobe State, Nigeria. GSC Adv. Res. Rev. 2021, 9, 148-156.