January 21, 2020 Proposal Kelompok David,Hasim: https://drive.google.com/open?id=1cdzy0Yik8nyS0KDF9DVKUSaX4epUOuef Kelompok Albert,Candra: https://drive.google.com/file/d/1nrwWxBtYGQfA8RAYaVbrDHQbn8Yhu03W/view?usp=drivesdk
