Jo, M. S., K. T. Lee, H. D. Kang, H. B. Cho, and T. D. Nguyen. “Point Foundation (PF) Method: Principles and Recent Research Findings”. Journal of Science and Technology in Civil Engineering (JSTCE) - HUCE, Vol. 14, no. 3, Aug. 2020, pp. 53-66, doi:10.31814/stce.nuce2020-14(3)-05.