Peniwiratri, Lelanti, and Miseri Ruslan Afany. 2022. “Potential of Paitan (Tithonia Diversifolia) and Cow Manure For Available Nutrients Supply On Sandy Beach Soil”. RSF Conference Series: Engineering and Technology 1 (1):521-26. https://doi.org/10.31098/cset.v1i1.425.