2025. Deep Learning Application in Sales Automation and Customer Experience Personalization in Small and Medium-Sized Business: A Hybrid Approach Using Transformer-Based Large Language Models and Reinforcement Learning. International Journal of Innovative Science and Modern Engineering (IJISME). 13, 1 (Jan. 2025), 1–8. DOI:https://doi.org/10.35940/ijisme.A1321.13010125.