RAMADHAN, mhd. The Effectiveness Of Use Of E-Learning In Entrepreneurship Courses In Private Vocational School, Pematangsiantar City Preparation. RIGGS: Journal of Artificial Intelligence and Digital Business, [S. l.], v. 1, n. 2, p. 1–10, 2023. DOI: 10.31004/riggs.v1i2.13. Disponível em: https://journal.ilmudata.co.id/index.php/RIGGS/article/view/13. Acesso em: 2 feb. 2026.