Hyperparameter Optimization for LoRA-Based Fine-Tuning in Domain-Specific Large Language Models: A Case Study of POLYCC LLM League 2025. JSE [Internet]. 2026 Jun. 4 [cited 2026 Jun. 4];6(1):27-30. Available from: https://journalstem.net/ojs/index.php/pkb/article/view/139