The metallurgy of some karat gold jewelery alloys, partly colored gold alloys. Golden Bulletin, 11/4, 67-73. doi:.1007/BF03215089Mulyadi, M.S. and Anwar, Y. (2012), Gold versus equity investments: an econometric analysis. International Journal of Development and Sustainability, 1/1, 1–7. Retrieved from http://isdsnet.com/archive/ijds/v1n1/article1.pdfMyers, J.,Willise,J.,& Villalba,J.(2011). Promoting self-esteem in adolescents: the influence of the well-being factor. Journal of Consulting and Development, 89/1, 28–30. doi:10.1002/j.1556-6678.2011.tb00058.x.Nathan, L. (2011). Gold: the past and future currency. Kantakji,71-79. Retrieved from kantakji.com/media/5166/w112.pdfRiffkin, R. (2014). Low-income Americans prefer gold to stocks, savings accounts and bonds. Gallup. Retrieved from http://www.gallup.com/poll/168554/americans-sold-real-estate-best-long-term-investment.aspxSchaap, C. (n.d.). The Midas touch for gold investors. Investipedia. Retrieved from http://www.investopedia.com/articles/optioninvestor/09/midas-touch-gold-investor.aspSkoyles, J. (2013). Is gold a safe haven asset? The real resource. Extracted from