“PENGARUH DIFFERENSIASI PRODUK dan HARGA TERHADAP KEPUTUSAN PEMBELIAN MELALUI PENDEKATAN PARTIAL LEAST SQUARE SEM SMARTPLS”, KarismaPro, vol. 11, no. 2, pp. 58–73, Dec. 2020, doi: 10.53675/karismapro.v2i2.108.