sembiring, julian et al. 2026. The Effect Of Gutter Slope On The Growth Of Caisim (Brassica Chinensis L Var. Parachinensis) Plants Using The Nft (Nutrient Film Technique) Hydroponic System. Jurnal Teknologi Pertanian (Agricultural Technology Journal). 16, 2 (Jan. 2026), 143–149. DOI:https://doi.org/10.35791/jteta.v16i2.66039.