LAHAGU, A. I. B.; LAIA, O.; MENDROFA, Y.; ZALUKHU, Y. Analysis of Marketing Strategies to Increase Sales of Building Materials at UD Tokosa West Nias District. ProBisnis : Jurnal Manajemen, [S. l.], v. 15, n. 2, p. 228–232, 2024. Disponível em: https://ejournal.joninstitute.org/index.php/ProBisnis/article/view/514. Acesso em: 30 jan. 2026.