Nkechinyere Mary Harry, Ibrahim Folorunsho, Nnenna Okafor, Oluwatosin Arubuolawe and Gibson Anugwom. The Positive Impacts of Employment-Based Contingency on the Treatment of Individuals with Substance Use Disorder: A Systematic Review. DHRNI-V4 [Internet]. 2024 Sep. 1 [cited 2026 Jul. 28];:87-100. Available from: https://stm.bookpi.org/DHRNI-V4/article/view/15620