Mafruudloh, N. and Fitriati, R. 2020. THE EFFECT OF PROJECT BASED LEARNING TO THE STUDENTS’ SPEAKING ABILITY. Celtic : A Journal of Culture, English Language Teaching, Literature and Linguistics. 7, 1 (Jun. 2020), 57–64. DOI:https://doi.org/10.22219/celtic.v7i1.12203.