Veijalainen, J. ., Yamakawa, P., Matsumoto , M., Markkula , J. ., Tsalgatidou, A. ., & Hadjiefthymiades , S. . (2003). On requeriments for mobile commerce. Journal of Economics, Finance and Administrative Science, 8(15), 7–22. https://doi.org/10.46631/jefas.2003.v8n15.01