Sitompul, SIlvia Sari, and mimi juwita. 2020. “Pengaruh Produk, Harga, Tempat, Promosi, Bukti Fisik, Orang, Proses Terhadap Keputusan Pembelian Pada PT. Central Bearindo International Pekanbaru”. Management Studies and Entrepreneurship Journal (MSEJ) 1 (2):178-87. https://doi.org/10.37385/msej.v1i2.75.