Recycle Helper: An Application for Serving and Managing Recycle Guides in Sophisticated Way. - William Chayadi; Christian Soetanto; Jonathan Ibrahim; Naomi Belinda May Arbai; Ford Lumban Gaol; Harjanto Prabowo; Meyliana Meyliana; Winanti; Fonny Hutagalung (IIAI-AAI-Winter, 2021)