Manurung, Chandra H., Winifred Karema, and Junita Maja. “Gambaran Fungsi Kognitif Pada Lansia Di Desa Koka Kecamatan Tombulu”. e-CliniC 4, no. 2 (July 12, 2016). Accessed May 9, 2024. https://ejournal.unsrat.ac.id/v3/index.php/eclinic/article/view/14493.