DESIGN AND IMPLEMENTATION OF A WATER LEVEL CONTROLLER. Nigerian Journal of Technology, [S. l.], v. 31, n. 1, p. 89–92, 2012. DOI: 10.4314/njt.311.109. Disponível em: https://www.nijotech.com/index.php/nijotech/article/view/109. Acesso em: 14 jan. 2026.