Sipayung, M., C. U. Wahjuni, and S. Devy. “Environment Biological and Health Care Efforts Influenced of Lymfatic Filariasis Incidence, Sarmi Distric”. Jurnal Berkala Epidemiologi, vol. 2, no. 2, May 2014, pp. 263-7, doi:10.20473/jbe.V2I22014.263-273.