Prabowo S, Sopiah S, Zagladi AN. The Influence of Price and Quantity on Sales Mediated by Promotions (Study at PT The Univenus for the 2019-2023 Period). JPEKA [Internet]. 2025 May 1 [cited 2025 Jul. 3];9(1):5-20. Available from: https://journal.unesa.ac.id/index.php/jpeka/article/view/35879