Puspitasari, Armyta, Wahyu Tamtomo Adi, and Nurul Fitria Apriliani. “English Information Readability At Adi Soemarmo Solo Airport Station”. Civilla : Jurnal Teknik Sipil Universitas Islam Lamongan 6, no. 1 (March 25, 2021): 15–30. Accessed May 4, 2024. https://jurnalteknik.unisla.ac.id/index.php/CVL/article/view/529.