WIJAYA, Bryanna Jersey; CHRISTIAN, Sonata. The Relationship Between Product Knowledge and Salesperson Training Toward Salesperson Performance Mediated by Work Attitude in Real Estate Industry. Jurnal Ekonomi Manajemen Sistem Informasi, [S. l.], v. 8, n. 1, p. 571–581, 2025. DOI: 10.38035/jemsi.v8i1.9742. Disponível em: https://dinastirev.org/JEMSI/article/view/9742. Acesso em: 26 sep. 2026.