Simanjuntak MY, Nasution FR, Sitepu HB, Harahap YA, Aulia CR. Pelatihan Kesantunan Berbahasa dalam Komunikasi Bisnis bagi Pelaku Usaha Mikro Kecil dan Menengah di Pasar Petisah, Kota Medan: Language Politeness Training in Business Communication for Micro, Small and Medium Enterprises in Petisah Market, Medan City. PROGRESIA [Internet]. 2026 Jun. 28 [cited 2026 Sep. 7];1(3 Juni):17-24. Available from: https://journal.echaprogres.or.id/index.php/progresia/article/view/152