Prasandi, Agil Setyo, and Tikaridha Hardiani. “Application Development Design “How To Make Money Online” Using The Wartefall Method (Case Study : CV Satoeasa For Indonesia): Rancangan Pengembangan Aplikasi ‘How To Make Money Online’ Menggunakan Metode Waterfall (Studi Kasus: CV Satoeasa Untuk Indonesia)”. Procedia of Engineering and Life Science, vol. 1, no. 2, July 2021, doi:10.21070/pels.v1i2.961.