Widyaiswara, Tiara, Fita Faridah, & Dian Luthfiyati.
"THE POLITENESS STRATEGIES USED BY STUDENT OF ENGLISH STUDY PROGRAM IN UNIVERSITAS ISLAM LAMONGAN." <em>Jurnal Pendidikan Bahasa Inggris Proficiency</em> [Online], 5.2 (2023): 160 - 170. Web. 23 Feb. 2025