Khasanah, L. N., R. T. Hariastuti, and E. Darminto. “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, doi:10.29407/nor.v9i1.16203.