https://ult.fmipa.uho.ac.id/wp-content/upgrade/
Al-Falah, A. ., A. . Elmaalul, and M. . Alshabani. “Testing of the High- Density Polyethylene Pipes for Transporting the Natural Gas”. Journal of Humanitarian and Applied Sciences, vol. 7, no. 13, Nov. 2023, pp. 382-90, https://khsj.elmergib.edu.ly/index.php/jhas/article/view/244.