Muhammad Aqiil Iqmal Ishak, Nurin Athirah Azmi, and Siti Mahani Marjugi, “A Scalar Modification of Three-term PRP-DL Conjugate Gradient Method for Solving Large-scaled Unconstrained Optimization Problems”, AMCI, vol. 14, no. 1, pp. 37–56, Feb. 2025.