Nusyura Al Islami A, Rahayu W, Susilo Soepandji B. Effect of Propylene Glycol and Laterite on California Bearing Ratio of Clay Shale. IJET [Internet]. 2018 Dec. 9 [cited 2024 Nov. 22];7(4.36):383-5. Available from: https://sciencepubco.com/index.php/ijet/article/view/23807