Mbaloto, Freny, Estelle Lilian Mua, Robi Adikari Sekeon, Denny Susanto, Ida Yanriatuti, Sabarulin Tarigan, Juliana Neng Rifka Sarman, & Nova Natalia Beba.
" The Effectiveness of Puzzle Therapy in Improving the Cognitive Function of the Elderly." <em>Adi Husada Nursing Journal</em> [Online], 9.2 (2023): 85-90. Web. 28 Dec. 2025