Min, L.S. and Floris, F.D. 2017. Comparative Evaluation of Speaking and Writing Skills in Project Level 1 (4th Edition) and Achievers A1+. IJET (Indonesian Journal of English Teaching). 6, 1 (Jul. 2017), 26–48. DOI:https://doi.org/10.15642/ijet2.2017.6.1.26-48.