Prasetyaningtyas, S. “APPLICATION QUARTER-CARDS GAME OF METHODS TO IMPROVE LEARNING ACHIEVEMENT AND LEARNING ACTIVITIES IN CLASSIFICATION OF LIVING THINGS AT CLASS VII C SMP N 1 SEMIN”. Ideguru: Jurnal Karya Ilmiah Guru, Vol. 5, no. 1, May 2020, pp. 100-8, doi:10.51169/ideguru.v5i1.118.