Widyatmoko, W.; Effendi, H.; Pratiwi, N. T. The Growth and Survival Rate of Nile Tilapia, Oreochromis Niloticus (Linnaeus, 1758) in the Aquaponic System With Different Vetiver (Vetiveria Zizanioides L. Nash) Plant Density. JII 2019, 19, 157-166.