Penerapan Model Pembelajaran Kooperatif Tipe Group Investigation Bermodifikasi Snowball Throwing Terhadap Hasil Belajar Ekonomi Siswa Kelas X SMA Nusantara Indah Sintang, Kalimantan Barat. suryaedunomics [Internet]. 2017 Nov. 27 [cited 2026 Sep. 15];1(1):43-8. Available from: https://jurnal.umpwr.ac.id/suryaedunomics/article/view/1096