BiSplit-DistilBERT: A Lightweight Early-Exit Transformer for Fake News Detection with Cross-Domain Evaluation on BoolQ Question-Answering Data Benchmarked against BERT, RoBERTa, and DeBERTa. (2026). Journal of Scientific & Industrial Research (JSIR), 85(4), 325-340. https://doi.org/10.56042/jsir.v85i4.22599