Surahmi, Fajar. “The Effectiveness of Warm Water Foot Sound With Salt and Lavender Flower Extract on Sleep Quality in Elderly With Insomnia”. Eduvest - Journal of Universal Studies 2, no. 6 (June 17, 2022): 1.108–1.114. Accessed July 2, 2025. https://eduvest.greenvest.co.id/index.php/edv/article/view/481.