Investigation of the Properties of High-Density Polyethylene Pipes used in Kurdistan for Piping System of Potable Water. Kurdistan Journal of Applied Research, [S. l.], v. 6, n. 2, p. 166–180, 2022. DOI: 10.24017/science.2021.2.16. Disponível em: https://cpanel.spu.edu.iq/index.php/kjar/article/view/701.. Acesso em: 9 aug. 2025.