Wahyuni I, Jarum J. An Investigation on Team Teaching Implemented by Local and Foreign Teachers in Teaching English at SMAN 1 Ketapang Sampang. Celtic [Internet]. 2017 Aug. 29 [cited 2026 Jun. 5];1(2):31-40. Available from: https://ejournal.umm.ac.id/index.php/celtic/article/view/4664