HADI, Dicky Fajar Purwa. Strategi Komunikasi Pemasaran Doktorandus Koffie dalam Menarik Minat Konsumen Penikmat Kopi. Jurnal Pewarta Indonesia, Indonesia, v. 2, n. 2, p. 85–89, 2020. DOI: 10.25008/jpi.v2i2.50. Disponível em: http://www.pewarta.org/index.php/JPI/article/view/50. Acesso em: 8 aug. 2026.