Nurdiana, U. and Widodo, W. (2019) “THE EFFECTIVENESS OF CONGKLAK TRADITIONAL GAME TO IMPROVE STUDENTS LEARNING MOTIVATION IN HUMAN EXCRESSION SYSTEM MATERIALS”, JPPIPA (Jurnal Penelitian Pendidikan IPA), 4(1), pp. 8–13. doi: 10.26740/jppipa.v4n1.p8-13.