DR. REHAB ABDELSALAM ELSANOUSI; DR. MAHDI HAMAD ELBALLA HAMAD; ABDELRAHMAN MOHAMMEDAIN ABDELRAHMAN AHMED. Investigating of ESP Vocabulary Difficulties Encountered by EFL Learners. White Nile Journal for Studies and Research, [S. l.], n. 18, p. 103–122, 2021. DOI: 10.67135/wnj.2021.1805. Disponível em: https://journals.wnu.edu.sd/index.php/wnjsr/article/view/110. Acesso em: 19 aug. 2026.