Khasanah, Lailatul Nurul, et al. “Halo BK Program: Guidance and Counseling Service Solutions During the Covid-19 Pandemic”. Nusantara of Research : Jurnal Hasil-Hasil Penelitian Universitas Nusantara PGRI Kediri, vol. 9, no. 1, May 2022, pp. 82-91, https://doi.org/10.29407/nor.v9i1.16203.