N. I. Thusyanthan, and D. Robert. “State-of-the Art Knowledge on Upheaval Buckling of Buried Pipelines”. Geotechnical Engineering Journal of the SEAGS & AGSSEA 50, no. 2 (June 30, 2019): 52–59. accessed September 11, 2026. https://ph01.tci-thaijo.org/index.php/SEAGS_AGSSEA_Journal/article/view/258996.