Conflicts as indices to evaluating the effectiveness of natural resources conservation in the Cross River National Park, Nigeria. Global Journal of Human-Social Science, [S. l.], v. 12, n. A6, p. 23–28, 2012. Disponível em: https://www.socialscienceresearch.org/index.php/GJHSS/article/view/320. Acesso em: 15 mar. 2026.