M. Yusof, M.F., Ishak, M. and Ghazali, M.F. 2021. Acoustic methods in real-time welding process monitoring: Application and future potential advancement. Journal of Mechanical Engineering and Sciences. 15, 4 (Dec. 2021), 8490–8507. DOI:https://doi.org/10.15282/jmes.15.4.2021.03.0669.