Rodrigo, Jesabel, et al. “A Feasibility Study on the Establishment of Lemon Grass Juice (Juice Kopo) in Dumalay St. Novaliches Bayan”. Ascendens Asia Singapore – Bestlink College of the Philippines Journal of Multidisciplinary Research, vol. 1, no. 1, Apr. 2019, https://ojs.aaresearchindex.com/index.php/aasgbcpjmra/article/view/2086.