Nabiallah Ahmadi , Arashk Sabzipour , Shahrokh Soltaninia,. 2021. “A Correlation Between the Effect of Homogenous and Non-Homogenous Oil Contamination Dispersions on the Ultimate Load-Bearing Capacity of Pile Foundations Buried in Silty Sand”. Annals of the Romanian Society for Cell Biology 25 (6):3571-84. https://annalsofrscb.ro/index.php/journal/article/view/6119.