Dayani, T. P. D. ., Suryadi, E. . and Dwiratna, S. . (2019) “The Effect of Hydroton Planting Media with Various Organic Material Compositions on the Growth and Productivity of Pakcoy Plants (Brassica Rapa L)”, Jurnal Online Pertanian Tropik, 6(2), pp. 190–199. doi: 10.32734/jopt.v6i2.3151.