Kyung-Ho Kim and Ha-Sung Kong 2021. An Effective Way to Inspect the Cause of Fire at Factory and Warehouse Facilities Using the NFPA 921 Scientific Method. Turkish Journal of Computer and Mathematics Education (TURCOMAT). 12, 13 (Jul. 2021), 6014–6021. DOI:https://doi.org/10.17762/turcomat.v12i13.9876.