“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”, JIMB, vol. 11, no. 1, pp. 1–11, Jan. 2023, Accessed: Apr. 04, 2026. [Online]. Available: https://journals.ubmg.ac.id/index.php/JIMB/article/view/1117