Ryadi, Faisal Slamet, and Mawarta Onida Sinaga. “UJI KOMPETENSI PUBLIC SPEAKING MAHASISWA PRODI MICE, PNJ”. EPIGRAM (e-journal) 10, no. 2 (December 16, 2014). Accessed August 7, 2022. https://jurnal.pnj.ac.id/index.php/epigram/article/view/633.