“Pengaruh Sertifikasi Halal, Harga Dan Brand Ambassador Terhadap Keputusan Pembelian Produk Skincare Wardah” (2026) Integrative Perspectives of Social and Science Journal, 3(09 September), pp. 546–556. Available at: https://ipssj.com/index.php/ojs/article/view/1981 (Accessed: 21 October 2026).