Tanjung, R. (2019). DEVELOPMENT OF SOCIAL SKILLS BASED IPS TEACHING MATERIALS FOR CLASS IV PRIMARY SCHOOL 060912 MEDAN DENAI. REKOGNISI : Jurnal Pendidikan Dan Kependidikan (E-ISSN 2599-2260), 4(1), 83–94. Retrieved from https://jurnal.unusu.ac.id/index.php/rekognisi/article/view/120