Khuong, N. et al. 2025. Enhancing NPK Uptake and Economic Efficiency of Hybrid Maize by Site-Specific Nutrient Management on Undeposited Alluvial Soil in An Phu, An Giang. Vietnam Journal of Agricultural Sciences. 14, 11 (Jun. 2025), 1764–1772. DOI:https://doi.org/10.31817/tckhnnvn.2016.14.11..