“‘Strength Analysis of Class F-Fly Ash Based Coconut Fiber Composite’”, int.jour.sci.res.mana, vol. 3, no. 7, pp. 3379–3395, Jul. 2015, Accessed: May 19, 2024. [Online]. Available: https://ijsrm.net/index.php/ijsrm/article/view/1140