Bach Mai, V., Phu Quoc, D. and Quoc Phong, T. 2005. MPROVING THE EFFECTIVENESS OF NON - CIRCULATING HYDROPONICS OF VEGETABLES (NASTURTIUM OFFICICINALE, IPOMOEA AQUATICA). Science and Technology Development Journal. 8, 5 (May 2005), 22-27. DOI:https://doi.org/https://doi.org/10.32508/stdj.v8i5.3025.