Chaisit Pengjam และผู้แต่งคนอื่นๆ. (2020) Laboratory investigations of sand-smooth steel interfaceunder monotonic and cyclic loadings. <i>Songklanakarin Journal of Science and Technology</i>, <i>42</i>(5), 948-956.Chaisit Pengjam และผู้แต่งคนอื่นๆ. "Laboratory investigations of sand-smooth steel interfaceunder monotonic and cyclic loadings". Songklanakarin Journal of Science and Technology 42 (2020):948-956.Chaisit Pengjam และผู้แต่งคนอื่นๆ. Laboratory investigations of sand-smooth steel interfaceunder monotonic and cyclic loadings. Research and Development Office, Prince of Songkla University:ม.ป.ท. 2020.