Sumarsono, Irwan, Eny Kusumawati, and Radina Anggun Nurisma. “The Development Of E-Tefl (Eepis Test Of English As A Foreign Language) With Web And Android-Based Simulation At Politeknik Elektronika Negeri Surabaya”. Wacana Didaktika 6, no. 01 (June 30, 2018): 7–14. Accessed January 25, 2026. http://journal.uim.ac.id/index.php/wacanadidaktika/article/view/173.