2019. Feed Contains Gracilaria verrucosa Seaweed Extract to Improve Survival Rate of Litopenaeus vannamei White Shrimp Infected by WSSV (White Spot Syndrome Virus). Jurnal Intek Akuakultur. 3, 1 (May 2019), 128–138. DOI:https://doi.org/10.31629/intek.v3i1.1262.