1. Arwas, Andrew; and Katie Soleil (2016). Robo-advice 2.0: The Next Generation. Journal of Financial Transformation, vol. 43, pp. 30–36.
2. Bandura, Albert (1997). Self-efficacy: The exercise of control. New York, USA: W.H. Freeman and Company.
3. Becker, Gay; Yewoubdar Beyene; and Leilani Cuizon Canalita (2000). Immigrating for status in late life: Effects of globalization on Filipino American veterans. Journal of Aging Studies, vol. 14, no. 3, September 2000, pp. 273–291.
4. Bezemer, Jeff; and Carey Jewitt (2010). Multimodal Analysis: Key lssues. In L. Litosseliti (ed): Research Methods in Linguistics, pp. 180–197. London, UK: Continuum.
5. Bird, Steven; Ewan Klein; and Edward Loper (2009). Natural language processing with Python. 1st ed. Beijing, Cambridge: O’Reilly.