EFEKTIVITAS PERMAINAN PUZZLE TERHADAP UPAYA PENINGKATAN KOGNITIF PADA LANSIA: Puzzle game effectiveness on cognitive enhancement efforts in the elderly. Jurnal Penelitian Sekolah Tinggi Ilmu Kesehatan Nahdlatul Ulama Tuban, [S. l.], v. 5, n. 1, 2023. DOI: 10.47710/jp.v5i1.206. Disponível em: https://ejournal.iiknutuban.ac.id/index.php/jp/article/view/206. Acesso em: 21 aug. 2025.