K.-K. A. Abdullah, “An Optimized Stochastic Gradient Descent Approach to a Bidirectional Long Short-Term Memory with Bidirectional Contextual Embeddings for Extractive Text Summarisation”, NJP, vol. 35, no. 2, pp. 264–270, May 2026, doi: 10.62292/njp.v35i2.2026.592.