Isnainun, E., E. Tini, and suwarto suwarto. “Growth and Results of Three Varieties Celery (Apium Graveolens L) With Addition of Alternative Nutrition in the Hydroponic Floating System”. AGROLAND The Agricultural Sciences Journal (e-Journal), Vol. 8, no. 2, Aug. 2021, doi:10.22487/agroland.v0i0.690.