B. Patil, A. et al. 2018. Digital Image Correlation (DIC) Technique for Fatigue Crack Growth Analysis Using ∆CTOD Criteria. International Journal of Engineering & Technology. 7, 4.38 (Dec. 2018), 1362–1364. DOI:https://doi.org/10.14419/ijet.v7i4.38.27874.