Nafisah, Y., Laili, S. and Rahayu, T. 2019. Pengaruh Electrical Conductivity pada Sistem Hidroponik yang Berbeda terhadap Pertumbuhan Akar dan Tunas Stek Krisan (Chrysanthemum sp.): The Effect of Electrical Conductivity in the Hydroponic System Differences for the Growth of Roots and Shoots of Chrysanthemum sp. Jurnal Ilmiah Biosaintropis (Bioscience-Tropic). 4, 2 (Jan. 2019), 55–62. DOI:https://doi.org/10.33474/e-jbst.v4i2.221.