HUTAGALUNG, Inge; YUNIARTANTI, Endriana. Implementasi Personal Selling Pembentukan Citra Produk PT. XYZ. Warta Ikatan Sarjana Komunikasi Indonesia, Indonesia, v. 1, n. 02, p. 57–64, 2018. DOI: 10.25008/wartaiski.v1i02.18. Disponível em: https://warta-iski.or.id/index.php/WartaISKI/article/view/18. Acesso em: 7 oct. 2026.