Budiyan Mariyadi, Fergyanto.E.Gunawan, Arief S. Budiman. “New Indicator for Health Monitoring of Structures Made of Fiber-Reinforced Composite Materials Under Low Impact Loading”. Turkish Journal of Computer and Mathematics Education (TURCOMAT), vol. 12, no. 14, Aug. 2021, pp. 2793-00, doi:10.17762/turcomat.v12i14.10779.