AKARANBIRIOWEI , Glasgow; MADUAGWU , Esther Nneka. INVESTIGATING THE EFFECT OF PERFORMANCE REWARD SYSTEM ON PRODUCTIVITY OF EMPLOYEES IN MANUFACTURING ORGANIZATIONS IN BAYELSA STATE NIGERIA. British International Journal of Business and Marketing Research, [S. l.], v. 6, n. 4, p. 44–60, 2023. Disponível em: https://aspjournals.org/Journals/index.php/bijbmr/article/view/454. Acesso em: 30 dec. 2025.