T. Machikowa, N. Khamchumpol, S. Wonprasaid, N. H. Hoang, T. Le Thanh, and K. Buensanteai, “Effect of additional potassium and nickel on Hoagland solution combined with environmental condition for high antioxidants tomato production”, Plant Sci. Today, vol. 11, no. 3, Jul. 2024.