Post-Retirement Engagement Plan Among Oil Company Workers in the Niger Delta Region of Nigeria: Is there Interest in Agricultural Investment?. Global Journal of Human-Social Science, [S. l.], v. 15, n. E9, p. 15–19, 2016. Disponível em: https://socialscienceresearch.org/index.php/GJHSS/article/view/1623. Acesso em: 2 sep. 2026.