Suryaman, Maman, et al. “Soybean Growth in Salinity Stress Condition by Giving of Pineapple (Ananas Comosus L) Peel Extract ”. Jurnal Penelitian Pertanian Terapan, vol. 22, no. 2, Aug. 2022, pp. 186-94, doi:10.25181/jppt.v22i2.2148.