MEGASARI, M.; RIYANTO, agus. GEOMETRIC PUZZLE AND ART THERAPY (PLATE ART COLLAGE) TO IMPROVE CONCENTRATION AND SOCIAL INTERACTION OF MENTALLY RETARDED CHILDREN AT BC YATIRA SPECIAL SCHOOL. JURNAL KESEHATAN KARTIKA, [S. l.], v. 19, n. 1, p. 1–8, 2024. DOI: 10.26874/jkkes.v19i1.289. Disponível em: https://stikesjayc.id/ejournal/index.php/litkartika/article/view/289. Acesso em: 18 sep. 2025.