Kartika M, A. R., Purnami, N., & Liben, P. (2016). CORRELATION OF HEARING IMPAIRMENT AND COMMUNICATION DISORDER AMONG GERIATRIC IN GERIATRIC CLINIC, DR. SOETOMO HOSPITAL SURABAYA. Folia Medica Indonesiana, 51(4), 277–280. https://doi.org/10.20473/fmi.v51i4.2859