Aliffirsya’ban, Ananda, et al. “PENGGUNAAN METODE DIRECT SELLING DALAM PEMASARAN PRODUK SOFTWARE DI PT. GRANDISHA BINA KARYA”. BTJ : Business and Technology Journal, vol. 2, no. 2, Sept. 2025, pp. 1-9, https://ojs.ufdk.ac.id/index.php/BTJ/article/view/2877.