AHMED, Tahir Mohammed. Design and Fabrication of A trapezoidal Form for Precasting of Concrete Canal-lets. International Journal of Environment, Agriculture and Biotechnology, [S. l.], v. 7, n. 3, 2022. Disponível em: https://journal-repository.com/index.php/ijeab/article/view/5082.. Acesso em: 16 apr. 2025.