Kasanti, N., A. Wijaya, and S. Suandry. “Pengaruh Harga Dan Kualitas Produk Terhadap Keputusan Pembelian Produk Safety Merek Proguard Pada PT AIM Safety Indonesia”. AJIE (Asian Journal of Innovation and Entrepreneurship), vol. 4, no. 1, Jan. 2019, pp. 43-51, https://journal.uii.ac.id/ajie/article/view/12470.