C.E. Etin-Osa, J. I. Achebo and K. O. Obahiagbon 2020. Design and Fabrication of Portable Weld Residual Stress Measuring Device using MBN Principle. NIPES - Journal of Science and Technology Research. 2, 3 (Aug. 2020). DOI:https://doi.org/10.37933/nipes/2.3.2020.8.