Ratnaningtyas SAS, Setyadi D, Mampouw HL. RANCANG BANGUN DAN UJI VALIDITAS MEDIA PEMBELAJARAN KARTU KARMATIKA (KARUTA MATEMATIKA) UNTUK SISWA SMP [DESIGN AND VALIDITY TESTING OF KARMATIKA CARDS (MATHEMATICS KARUTA) LEARNING MEDIA FOR JUNIOR HIGH SCHOOL STUDENTS]. JOHME [Internet]. 2026 Jun. 10 [cited 2026 Jun. 10];10(1):1-16. Available from: https://ojs.uph.edu/index.php/JOHME/article/view/10936