Barrios, E., & 		Lansangan, J.
(2012).
 Forecasting Customer Lifetime Value: A Statistical Approach.
<em>Philippine Management Review, 19</em>.
Retrieved from <a href="https://journals.upd.edu.ph/index.php/pmr/article/view/2790" target="_new">https://journals.upd.edu.ph/index.php/pmr/article/view/2790</a>