LISTIAWATI; KARTA NEGARA SALAM; RETNO WULANSARI; PRAMUDI HARSONO. Promotion Costs Analysis To Increased Volume Sales In The Convection Companies . International Journal of Science, Technology & Management, [S. l.], v. 2, n. 5, p. 1542–1551, 2021. DOI: 10.46729/ijstm.v2i5.300. Disponível em: https://ijstm.inarah.co.id/index.php/ijstm/article/view/300. Acesso em: 9 may. 2026.