nadia benita putri, “ANALISA PENGARUH PRODUCT, PRICE, PLACE, DAN PROMOTION TERHADAP KEPUTUSAN PEMBELIAN DI RUMAH MAKAN AYAM GORENG ECHO: The Effect of Product, Price, Place, and Promotion on Purchas Decision at ‘Ayam Goreng’ Echo Restaurant”., PERFORMA, vol. 7, no. 3, pp. 330–345, Sep. 2022.