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Ani Yuliati, Achmad Kusyairi, Erna Handayani. Efektivitas Self Help Book Dan Sleep Hygiene Terhadap Insomnia Di Pondok Mahasiswi Hafshawaty. JIK-MC [Internet]. 2025 Oct. 23 [cited 2026 Apr. 19];4(10):440-5. Available from: https://journal.mandiracendikia.com/index.php/JIK-MC/article/view/1981