Suraparb Keawsawasvong และ Boonchai Ukritchon. (2017) Undrained lateral capacity of I-shaped concrete piles. <i>Songklanakarin Journal of Science and Technology (SJST)</i>, <i>39</i>(6), 751.Suraparb Keawsawasvong และ Boonchai Ukritchon. "Undrained lateral capacity of I-shaped concrete piles". Songklanakarin Journal of Science and Technology (SJST) 39 (2017):751.Suraparb Keawsawasvong และ Boonchai Ukritchon. Undrained lateral capacity of I-shaped concrete piles. Research and Development Office, Prince of Songkla University:ม.ป.ท. 2017.