Karlina, Karlina, and Ade Sudirman. “The Effect of Application Guessing Game Pic-Pow Strategy Towards Students’ Speaking Mastery at the First Class of SMA Mathla’ul Anwar Menes”. Journal of English Education Studies 2, no. 2 (November 1, 2019): 116-129. Accessed May 27, 2020. http://jees.ejournal.id/index.php/english/article/view/42.