NINGSIH, Sri Dwi. Improving Learning Outcomes of Citizenship Subject Topic State Institutions Through Concept Attaintment Learning Model Application of Grade VI Students at SDN Tegal Besar 03 Kecamatan Kaliwates Kabupaten Jember First Semester Academic Year 2013/2014. JURNAL HISTORICA, [S.l.], v. 2, n. 2, p. 244-255, oct. 2018. ISSN 2252-4673. Available at: <https://jurnal.unej.ac.id/index.php/JHIS/article/view/8897>. Date accessed: 16 july 2019.