Merlinda, Selfia, and Lia Juniarni. “PENGARUH TERAPI AKTIVITAS KELOMPOK TERHADAP PENINGKATAN INTERAKSI SOSIAL DAN FUNGSI KOGNITIF PADA LANSIA: PENELITIAN QUASI-EXPERIMENT: The Effect of Group Activity Therapy on Improving Social Interaction and Cognitive Function in the Elderly: Quasi-Experiment”. Jurnal Ilmiah Keperawatan (Scientific Journal of Nursing) 8, no. 3 (August 16, 2022): 34-39. Accessed October 24, 2025. https://journal.stikespemkabjombang.ac.id/index.php/jikep/article/view/1156.