Zuhdi, M. S., and M. J. As-Shodiq. “The Effectiveness of Group Guidance Homeroom Techniques for Reducing Anxiety of Adolescent Girls in Facing Menarche”. Nusantara of Research : Jurnal Hasil-Hasil Penelitian Universitas Nusantara PGRI Kediri, Vol. 10, no. 1, Mar. 2023, pp. 137-45, doi:10.29407/nor.v10i1.19291.