Pebrikarlepi, E., and F. Z. Firdaus. “THE IMPORTANCE OF MOTIVATION IN LEARNING ENGLISH AS A FOREIGN LANGUAGE: CASE STUDY: ISLAMIC HIGH SCHOOL ITTIFAQIAH INDRALAYA”. Jurnal Konseling Pendidikan Islam, vol. 3, no. 1, Jan. 2022, pp. 359-65, http://jurnalalkhairat.org/ojs/index.php/jkpi/article/view/69.