Sumarsono I, Kusumawati E, Nurisma RA. The Development Of E-Tefl (Eepis Test Of English As A Foreign Language) With Web And Android-Based Simulation At Politeknik Elektronika Negeri Surabaya. wacanadidaktika [Internet]. 2018 Jun. 30 [cited 2026 Jan. 25];6(01):7-14. Available from: http://journal.uim.ac.id/index.php/wacanadidaktika/article/view/173