MUGAMBI JOYCE WANJIRU; DOUGLAS ROSANA; TUMAINI MWIKAMBA. BOARD CHARACTERISTICS AND OPERATIONAL EFFICIENCY OF WATER AND SANITATION COMPANIES IN MOUNT KENYA REGION. International Journal of Accounting, Management, Economics and Social Sciences (IJAMESC), [S. l.], v. 4, n. 1, p. 378–395, 2026. DOI: 10.61990/ijamesc.v4i1.764. Disponível em: https://ijamesc.com/index.php/go/article/view/764. Acesso em: 11 may. 2026.