Ardiansah, Irfan, Zainuri Zainuri, and Muthia Anggraini. “Experimental Study of Addition of Plastic Waste (PET) to the Shear Strength of Clay Soil”. Civilla : Jurnal Teknik Sipil Universitas Islam Lamongan 7, no. 2 (September 15, 2022): 161–170. Accessed April 30, 2024. https://jurnalteknik.unisla.ac.id/index.php/CVL/article/view/891.