Moderating Role of Portfolio Risk Manaemgement on Performance of Water Service Boards in Kenya. Global Journal of Management and Business Research, [S. l.], v. 20, n. A17, p. 21–37, 2020. Disponível em: https://journalofbusiness.org/index.php/GJMBR/article/view/3281. Acesso em: 4 jun. 2026.