NASUTION, Siti Maryam; RAMADHANI, Sri; NASUTION, Annio Indah Lestari. Analisis Strategi Pemasaran Produk Alat Tulis pada Ud. H. Muslan Pulungan Kecamatan Panyabungan Kabupaten Mandailing Natal di Tengah Pandemi Covid-19. Regress: Journal of Economics & Management, [S. l.], v. 2, n. 2, p. 167–179, 2022. DOI: 10.57251/reg.v2i2.393. Disponível em: https://jurnal.medanresourcecenter.org/index.php/REG/article/view/393. Acesso em: 11 mar. 2026.