Carascalao, Oscar, Dwi Anggani Linggar Bharati, and Abdurrachman Faridi. “The Effectiveness of Inside-Outside Circle and Jigsaw Techniques in Teaching Interpersonal Conversation for High and Low Self-Confident Students”. English Education Journal 9, no. 1 (January 8, 2019): 114-127. Accessed November 22, 2024. http://journal.unnes.ac.id/sju/eej/article/view/28069.