K. Yusuf, S. Sulaiman, and S. Suleiman, “Assessment of the Structure Failure of the Palm Oil Mill Effluent (POME) Digestion Tank Constructed on Peat Soil”, IJET, vol. 7, no. 3.4, pp. 200–203, Jun. 2018, doi: 10.14419/ijet.v7i3.4.16774.