“AN ANALYSIS OF MADURESE SPEECH LEVELS BY SANTRI OF ROUDLOTUT THOLIBIN ISLAMIC BOARDING SCHOOL KADEMANGAN KOTA PROBOLINGGO” (2026) Literasi: Jurnal Ilmiah Kajian Ilmu Humaniora, 4(2), pp. 80–89. doi:10.51747/s0c52a58.