Hairuddin, Nurul Hidjrah. “The Use of Problem Based Learning (PBL) Method in Teaching English Writing at SMAN 5 Makassar”. Seltics Journal: Scope of English Language Teaching Literature and Linguistics, vol. 1, no. 1, Dec. 2018, pp. 1-9, https://doi.org/10.46918/seltics.v1i1.75.