Lutfi Henderlan Harahap. “The Effectiveness of Fertilization Based on Nutrient Requirements and the Production Target of Green Cawri (Brassica Juncea. L) In a Hydroganic System”. International Journal of Educational Technology and Society 1, no. 2 (May 14, 2024): 100–105. Accessed March 2, 2026. https://international.aspirasi.or.id/index.php/IJETS/article/view/55.