AndriantoD., NurcholisW., and GhifariM. N. “Improvement of Iron Content, Total Phenolic, and Antioxidant Activity of Green Spinach (Amaranthus Tricolor L.) With Maggot Fertilizer”. Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy), Vol. 52, no. 2, Oct. 2024, pp. 264-7, doi:10.24831/jai.v52i2.50063.