Amelia Kusumawardani, Paramitha, Siti Cholifah, and Hamzah Setiawan. “Peningkatan Peran Kader Lansia Dalam Meningkatkan Kesehatan Lansia Di Masa Pandemi Covid-19 Desa Penatarsewu Kecamatan Tanggulangin Sidoarjo”. Prosiding University Research Colloquium (May 27, 2021): 24–27. Accessed July 3, 2024. https://repository.urecol.org/index.php/proceeding/article/view/1256.