Galan, J. ., P. . Pilon, R. K. . Duyaguit, I. . Cabrillas, and R. K. . Alimango. “Effectiveness of Multi Level Marketing As Perceived by Selected Investors: Vol.4, No.1”. Ascendens Asia Singapore – Bestlink College of the Philippines Journal of Multidisciplinary Research, vol. 4, no. 1, June 2024, https://ojs.aaresearchindex.com/index.php/aasgbcpjmra/article/view/13679.