“Pengaruh Biaya Promosi Penjualan, Biaya Saluran Distribusi, Dan Harga Terhadap Hasil Penjualan Pada PT Sang Hyang Seri Cabang Jawa Timur Di Jember: The Influence of Sales Promotion Costs, Distribution Channel Costs, and Pricing on Sales Performance at Sang Hyang Seri Company, East Java Branch in Jember”. 2003. Fenomena 2 (2): 85-90. https://doi.org/10.35719/fenomena.v2i2.335.