zasari, maera, et al. “Effect of Static Hydroponic and Huett’s Lettuce Concentration Levels on Growth and Yield of Lettuce: Effect of Static Hydroponic and Huett’s Lettuce Concentration Levels on Growth and Yield of Lettuce”. Enviagro: Jurnal Pertanian Dan Lingkungan, vol. 9, no. 2, Nov. 2023, pp. 1-8, https://doi.org/10.33019/enviagro.v9i2.4471.