Mujahidah. “The Implementation of The Numbered Head Together Model to Improve Student Learning English Outcomes at Xi IPS 2 SMA Negeri 4 Parepare”. Vidhyayana - An International Multidisciplinary Peer-Reviewed E-Journal - ISSN 2454-8596, vol. 8, no. 4, Feb. 2023, https://vidhyayanaejournal.org/journal/article/view/624.