Islam, Shafaqat Ul, and Vaibhav Gupta. “Study about Prism Test Method and Evaluation of Flexural Tensile Strength by Testing Small-Scale Prisms”. Universal Research Reports, vol. 5, no. 4, Mar. 2018, pp. 31-35, https://urr.shodhsagar.com/index.php/j/article/view/716.