Amalia, Rosaria, Elvi Citraresmana, & Nurul Hikmayaty Saefullah. " Public Speaking Melalui Diplomasi Kesantunan Berbahasa Di Balatkop Pemprov Jawa Barat." Jurnal ABDINUS : Jurnal Pengabdian Nusantara [Online], 3.1 (2019): 93-99. Web. 5 Dec. 2019