GIRSANG, Rasta Elisa. THE EFFECT OF APPLYING GROUP INVESTIGATION METHOD ON STUDENTS™ ACHIEVEMENT IN READING COMPREHENSION. TRANSFORM : Journal of English Language Teaching and Learning, North Sumatera, Indonesia, v. 3, n. 3, 2014. DOI: 10.24114/tj.v3i3.1366. Disponível em: https://jurnal.unimed.ac.id/2012/index.php/jelt/article/view/1366. Acesso em: 3 jul. 2025.