Supriadil, S., and D. Widjajanto. “BEBERAPA SIFAT FISIKA-MEKANIK TANAH TERLIKUIFAKSI DI DESA SIBALAYA, LEMBAH PALU”. AGROTEKBIS : JURNAL ILMU PERTANIAN (e-Journal), Vol. 10, no. 4, Aug. 2022, pp. 492 -98, http://103.245.72.23/index.php/agrotekbis/article/view/1416.