Sholikhah, Masriatus. “Speaking Skill and Critical Thinking Skill Development through Project Based Learning Method of EFL Tertiary Students”. SELL (Scope of English Language Teaching, Linguistics, and Literature) Journal 4, no. 2 (August 26, 2019): 78–98. Accessed May 6, 2025. http://publikasi.stkippgri-bkl.ac.id/index.php/SL/article/view/92.