“Implementasi Group Investigation Dengan Pendekatan Problem Based Learning untuk Meningkatkan Kemampuan Hasil Belajar Mahasiswa: Implementation of Group Investigation with Problem Based Learning Approach to Improve Student Learning Outcomes Kemampuan”, icecrs, vol. 1, no. 3, p. picecrs.v1i3.1381, Mar. 2018, doi: 10.21070/picecrs.v1i3.1381.