Thermodynamic analysis of adsorption of a naturally derived surfactant onto shale sandstone reservoirsMohammad Ali Ahmadi, Seyed Reza Shadizadeh and Zhangxing ChenEur. Phys. J. Plus, 133 10 (2018) 420DOI: https://doi.org/10.1140/epjp/i2018-12264-x