Ramadhany, S. N., & Eviyanti, A. . (2021). Designing Web Based Offering and Sales Information System (Case Study : PT. Daya Berkah Sentosa Nusantara): Perancangan Sistem Informasi Penawaran dan Penjualan Berbasis Web (Studi Kasus : PT. Daya Berkah Sentosa Nusantara). Procedia of Engineering and Life Science, 1(2). https://doi.org/10.21070/pels.v1i2.1030