Liliwarti, Liliwarti, et al. “KARAKTERISTIK SIFAT MEKANIS TANAH LEMPUNG TERHADAP KADAR AIR (KAMPUS UNAND LIMAU MANIS PADANG)”. Rekayasa Sipil, vol. 4, no. 1, Feb. 2015, pp. 21-26, https://publikasi.mercubuana.ac.id/index.php/jrs/article/view/1083.