Ani Yuliati, Achmad Kusyairi and Erna Handayani (2025) “Efektivitas Self Help Book Dan Sleep Hygiene Terhadap Insomnia Di Pondok Mahasiswi Hafshawaty”, Jurnal Ilmiah Kesehatan Mandira Cendikia, 4(10), pp. 440–450. doi: 10.70570/jikmc.v4i10.1981.