SUGANDIKA, D.; NAHARIANI, P. PENGARUH SENAM ERGONOMIS TERHADAP GANGGUAN TIDUR (INSOMNIA) PADA LANSIA DI PANTI WERDHA MOJOPAHIT MOJOKERTO: Effect Of Gymnastics Ergonomic Sleep Disorders (Insomnia) Elderly In Elderly Elderly Mojopahit Mojokerto. Jurnal Ilmiah Keperawatan (Scientific Journal of Nursing), v. 2, n. 1, p. 43-50, 5 Mar. 2016.