Nisar, Seliman. “Weaknesses and Strengths of the Winkler Method in Designing Foundations”. Journal for Research in Applied Sciences and Biotechnology 3, no. 2 (April 1, 2024): 4–8. Accessed July 7, 2024. https://jrasb.stallionpublication.com/index.php/jrasb/article/view/475.