Business Effectiveness of Online Reading Books (E-Books) in the Digital Era for Bina Mandiri University Gorontalo Students: Keefektifan Bisnis Buku Bacaan Online ( E-Book) Era Digital Untuk Mahasiswa Universitas Bina Mandiri Gorontalo. JEaC 2023, 3 (1), 41-46. https://doi.org/10.47918/jeac.v3i1.1118.