L-Islami, CA Bunia, Rustono Rustono, and Haryadi Haryadi. 2021. “Directive Functions of The Letters of Prophet Muhammad Pbuh for The Kings and The Warlords”. Seloka: Jurnal Pendidikan Bahasa Dan Sastra Indonesia 10 (2), 168-70. https://doi.org/10.15294/seloka.v10i3.49508.