Improve Student Motivation, Activity, and Learning Outcomes Using a Combination of Group Investigation, Number Head Together, and Make a Match Models in Elementary School Journal title: International Journal of Social Science And Human Research Authors: Raihanah Sari , Fathul Jannah, Radiansyah, Mahmudah Hasanah, Noor Aliza Diani, Prima Mega Puspita Subject(s): Economics, Humanities, Law, Social Sciences, Literature, Sociology of Education, Criminology, Public Administration