De Guzman, Ronel S., et al. “Tuber Yield of Radish (Raphanus Sativus L.) As Affected by Different Frequencies of Hydroponic Waste Nutrient Solution Application”. International Journal of Multidisciplinary: Applied Business and Education Research, vol. 7, no. 4, Apr. 2026, pp. 1702-7, https://doi.org/10.11594/.