AVAILABILITY ANALYSIS OF CHEMICALS FOR WATER TREATMENT: AN APPLICATION TO EDO AND ANAMBRA STATE WATER UTILITIES BOARDS. Nigerian Journal of Technology, [S. l.], v. 25, n. 1, p. 74–84, 2006. DOI: 10.4314/njt.251.530. Disponível em: https://mail.nijotech.com/index.php/nijotech/article/view/530. Acesso em: 19 apr. 2026.