Beshah, Birhanu, Aychiluhim Mitiku, Michael Chernet, Mekdes Assefa, and Mezekeir Addisu. “Mechanical Property of Plastic Lumber Produced from Recycled High Density Polyethylene (HDPE)”. Journal of Science, Technology and Arts Research 3, no. 1 (March 28, 2014): 141–144. Accessed December 23, 2024. https://journals.wgu.edu.et/index.php/star/article/view/529.