On b-Coloring Analysis of Graphs: An Application to Spatial-Temporal Graph Neural Networks for Multi-Step Time Series Forecasting of Soil Moisture and pH in Companion Farming. Eur. J. Pure Appl. Math. [Internet]. 2024 Oct. 31 [cited 2025 Apr. 4];17(4):3356-69. Available from: https://www.ejpam.com/index.php/ejpam/article/view/5409