TOGI MARITO SANTA MONIKA MANULLANG. Pengetahuan Lanjut Usia Tentang Covid-19 di Desa Simangulampe Kecamatan Baktiraja Kabupaten Humbang Hasundutan Tahun 2021. Humantech : Jurnal Ilmiah Multidisiplin Indonesia, [S. l.], v. 2, n. 2, p. 269–282, 2022. DOI: 10.32670/ht.v2i2.1331. Disponível em: https://journal.ikopin.ac.id/index.php/humantech/article/view/1331. Acesso em: 3 jul. 2024.