Asha Dominic, Janaki Raman, Samuvel Raj R ,Abishek R R. “A Comparitive Analysis of Batter Pile Groups under Oblique Loading Conditions”. International Journal of Advanced Science and Technology, Vol. 29, no. 7, June 2020, pp. 10403-10, http://sersc.org/journals/index.php/IJAST/article/view/27229.