NGO KEA LENG; JULIANA MOHD NOR; NORHAMIMAH RANI; SALIHAH ABDULLAH. A PRELIMINARY STUDY ON ENGLISH GRAMMAR PROFICIENCY KNOWLEDGE OF DIPLOMA STUDENTS. INTERNATIONAL JOURNAL OF HUMANITIES, PHILOSOPHY AND LANGUAGES (IJHPL), [S. l.], v. 4, n. 15, 2024. Disponível em: https://gaexcellence.com/ijhpl/article/view/544. Acesso em: 5 jun. 2025.