ALVIN YUSRO AL-HIJRI; ABIZAR ABIZAR; RUSLAINI RUSLAINI; ULIL ALBAB. Pengaruh Diskon dan Gratis Ongkir terhadap Keputusan Pembelian E-Commerce pada Mahasiswa PTMA di Jabodetabek. OPTIMAL Jurnal Ekonomi dan Manajemen, [S. l.], v. 5, n. 4, p. 811–829, 2025. DOI: 10.55606/optimal.v5i4.8295. Disponível em: https://researchhub.id/index.php/optimal/article/view/8295. Acesso em: 25 sep. 2025.