Dr. Zafar Ullah (Corresponding Author ), Dr. Saeed Ullah, Ms Nauzaina Khalid, and Muhammad Mansoor Abbas. “Measuring Efficacy of Speaking English Chatbot NUMLINA: A User Study”. Al-Qanṭara 9, no. 4 (November 16, 2023): 369–387. Accessed February 5, 2025. https://alqantarajournal.com/index.php/Journal/article/view/375.