Ariani, Desti, Ade Hidayat, and Adrianus Surianto Girikallo. “The Implementation of Project Based Learning in Blended Learning System to Improve English Speaking Skill of Polytechnic Students”. ENGLISH FRANCA : Academic Journal of English Language and Education 7, no. 1 May (May 23, 2023): 79–92. Accessed November 21, 2024. https://journal.iaincurup.ac.id/index.php/english/article/view/6284.