Khusnul Khotimah. 08051281823041. Estimating Zooplankton Abundance Using the Hydroacoustic Method in the waters of Sembilang National Park (Supervisor: Ellis Nurjuliasti Ningsih, M.Si dan Prof. Dr. Fauziyah S.Pi) Sembilang National Park is a nature conservation area that has water areas whose function is very important in supporting the community's economy. Fisheries resources cannot be separat…