1.
Mutmainah I, Abd Aziz Wahab, Feri Ferdiyanto. Utilizing Mobile App: (Hello English) Has Significant Impact on Students’ Vocabulary Mastery. ELS-JISH [Internet]. 2023 Mar. 29 [cited 2025 Jan. 30];6(1):70-6. Available from: http://journal.unhas.ac.id/index.php/jish/article/view/26157