SUDOMO, Asmara.
 KAIDAH KORESPONDENSI BISNIS BERBAHASA INGGRIS DI ERA ABAD 21.
<strong>JURNAL ADMINISTRASI KANTOR</strong>, [S.l.], v. 1, n. 2, p. 123-146, aug. 2013.
ISSN 2527-9769.
Available at: &lt;<a href="http://ejournal-binainsani.ac.id/index.php/JAK/article/view/704" target="_new">http://ejournal-binainsani.ac.id/index.php/JAK/article/view/704</a>&gt;. Date accessed: 08 sep. 2024.