RAINFALL VARIABILITYAND TREND IN THE NORTHERN REGION OF SRI LANKA . INTERNATIONAL JOURNAL OF ADVANCED RESEARCH AND REVIEW (IJARR), [S. l.], v. 3, n. 3, p. 20–32, 2018. Disponível em: https://www.ijarr.org/index.php/ijarr/article/view/67.. Acesso em: 30 may. 2026.