Mahardani, Nina. “PERBEDAAN HASIL BELAJAR EKONOMI ANTARA MODEL THINK-PAIR-SHARE DAN MODEL CONCEPT MAPPING PADA SISWA SMA 1 NGUTER SUKOHARJO”. Economic Education Analysis Journal 3, no. 1 (1). Accessed September 22, 2020. https://journal.unnes.ac.id/sju/index.php/eeaj/article/view/4126.