RATNANINGTYAS, Sekar Arum Suwardani; SETYADI, Danang; MAMPOUW, Helti Lygia. 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: Journal of Holistic Mathematics Education, [S. l.], v. 10, n. 1, p. 1–16, 2026. DOI: 10.19166/johme.v10i1.10936. Disponível em: https://ojs.uph.edu/index.php/JOHME/article/view/10936. Acesso em: 10 jun. 2026.