Eka kusumaningtias, and Arifah Sitta Qotrunada. “Pengaruh Kemampuan Komunikasi Interpersonal Dan Penampilan Diri Terhadap Kemampuan Public Speaking Mahasiswa D3 Administrasi Perkantoran Politeknik Madyathika”. Journal of Innovative and Creativity 6, no. 1 (January 21, 2026): 4251–4259. Accessed October 15, 2026. https://joecy.org/index.php/joecy/article/view/7116.