putri, nadia benita. 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 2022, 7, 330-345.