Okta Viana Boangmanalu, Seapril S G Manurung, Oktaviani Simbolon, Riris Simatupang, Rejeki Sitanggang, Masito Anggini Magdalena P, and Reza Fahlevi Marbun. 2023. “Pelayanan Konseling Bagi Lansia Di Panti Jompo Siborong-Borong”. Journal of Cross Knowledge 1 (2):207-18. https://doi.org/10.70610/jck.v1i2.132.