Hidayah, N., AF, A. R. ., & Permatasari, I. (2024). Pengaruh Biaya Promosi terhadap Volume Penjualan Jahe Ja’M di Kota Samarinda. Educational Studies: Conference Series, 4(1), 26–35. Retrieved from https://jurnal.fkip.unmul.ac.id/index.php/escs/article/view/4451