Puja, I. W. “ANALISIS MEDAN ELASTIS DI DALAM SETENGAH RUANG ISOTROPI MELINTAN G AKIBAT BEBAN NORMAL DI PERMUKAANNYA”. Mesin, vol. 13, no. 1, May 2017, pp. 9-19, https://journals.itb.ac.id/index.php/jtms/article/view/4825.