Efe Anho, J. 2022. Administrative Motivation, Participative Decision-Making, and Academic Staff Management as Correlates of Productivity of Tertiary Institutions’ Lecturers in Delta State, Nigeria. Journal of Higher Education Theory and Practice. 22, 15 (Nov. 2022). DOI:https://doi.org/10.33423/jhetp.v22i15.5565.