Herlina, Erliany Syaodih, and Bella Anantha Sritumini. “Efektivitas Penerapan Model Pembelajaran Group Investigation Dalam Upaya Meningkatkan Aktivitas Belajar Siswa”. EDUCARE 10, no. 2 (December 28, 2012): 34–45. Accessed September 8, 2024. https://jurnal.fkip.unla.ac.id/index.php/educare/article/view/177.