Nadila, P., Y. Manurung, S. Halim, S. Abas, G. Tham, E. Haruman, M. Mokhtar, and Z. Awaldin. “Development of Stand Alone Application Tool for Processing and Quality Measurement of Weld Imperfection Image Captured by μ-Focused Digital Radiography Using MATLAB- Based Graphical User Interface”. The Journal of Engineering Research [TJER], vol. 9, no. 2, Dec. 2012, pp. 64-79, doi:10.24200/tjer.vol9iss2pp64-79.