Iin Indriyati. “Improvement of Student Motivation and Learning Outcomes through The SETS Approach to Environmental Pollution Material at Class VII E SMP 1 Wonosari Semester 2 Academic Year 2017/2018”. Ideguru: Jurnal Karya Ilmiah Guru 4, no. 2 (November 1, 2019): 61-68. Accessed April 19, 2024. https://jurnal-dikpora.jogjaprov.go.id/index.php/jurnalideguru/article/view/95.