HAERUL, A. R. Implementasi Tahapan Personal Selling Salesperson “Optiload Product” pada PT Sanggar Sarana Baja. Community Engagement and Emergence Journal (CEEJ), [S. l.], v. 6, n. 5, p. 3120–3136, 2025. DOI: 10.37385/ceej.v6i5.9016. Disponível em: https://journal.yrpipku.com/index.php/ceej/article/view/9016. Acesso em: 8 sep. 2025.