RAMADHAN, R. T.; KUSUMA, Y. B. Analisis Strategi Promosi Melalui Pemanfaatan Media Sosial Instagram Dalam Upaya Peningkatan Volume Penjualan (Studi Pada Harapan Jaya Screen Printing Surabaya). Management Studies and Entrepreneurship Journal (MSEJ), [S. l.], v. 4, n. 3, p. 2942–2957, 2023. DOI: 10.37385/msej.v4i4.1863. Disponível em: https://www.yrpipku.com/journal/index.php/msej/article/view/1863. Acesso em: 6 jul. 2025.