Gustianto A, warti A, Kurniawan R. Pengaruh Penambahan Abu Ampas Kulit Kakao Terhadap Kuat Geser Tanah Lempung Lunak. IJTS [Internet]. 2021 Oct. 24 [cited 2024 Apr. 27];13(2):69-75. Available from: https://ejournal.unib.ac.id/inersiajurnal/article/view/16804