Jumbuh Prabowo, Dwi Rukmini, Rudi Hartono. “PROBLEM-BASED LEARNING FOR TEACHING WRITING OF DESCRIPTIVE TEXT TO EFL STUDENTS WITH PERSONALITY TRAITS: INTROVERSION AND EXTROVERSION”. Turkish Journal of Computer and Mathematics Education (TURCOMAT) 12, no. 14 (August 2, 2021): 637–645. Accessed May 8, 2024. https://www.turcomat.org/index.php/turkbilmat/article/view/10329.