Okta Viana Boangmanalu, Seapril S G Manurung, Oktaviani Simbolon, Riris Simatupang, Rejeki Sitanggang, Masito Anggini Magdalena P, and Reza Fahlevi Marbun. “Pelayanan Konseling Bagi Lansia Di Panti Jompo Siborong-Borong”. Journal of Cross Knowledge 1, no. 2 (December 22, 2023): 207–218. Accessed December 23, 2024. https://edujavare.com/index.php/IJCK/article/view/132.