Laksanahati, T., ., W., Putro, S.P., Adhy, S., Helmi, M. and Rostika, R. 2022. Dynamical System Stability Analysis of the Interaction Nitrogen, Phytoplankton, Macrobenthos, and Sediment with Gradient Variable Method. International Journal Of Mathematics And Computer Research. 10, 2 (Feb. 2022), 2564-2572. DOI:https://doi.org/10.47191/ijmcr/v10i2.03.