Asep Setiawan. “Analysis of the Effect of Expansive Soil Against Deformation in Development Projects Cikampek - Palimanan Sta 166 + 650 Toll Road”. Turkish Journal of Computer and Mathematics Education (TURCOMAT), vol. 12, no. 8, Apr. 2021, pp. 333-42, https://turcomat.org/index.php/turkbilmat/article/view/2805.