Ari Bowo, Ahmad. “PENGEMBANGAN PENGELOLAAN PEMBELAJARAN EKONOMI BERBASIS LINGKUNGAN DENGAN STRATEGI SMALL GRAUP DISCUSSION DI SMA MUHAMMADIYAH 1 SURAKARTA”. Academy of Education Journal 6, no. 1 (January 1, 2015). Accessed January 31, 2023. https://jurnal.ucy.ac.id/index.php/fkip/article/view/124.