Othman Waleed Khalid, Nor Ashidi Mat Isa, Karrar Mohsin Alwan, Sew Sun Tiang, Ahbishek Sharma, Tarek Berghout, Jun-Jiat Tiang, Wei Hong Lim. "An adaptive oppositional grey wolf optimizer for complex engineering problems." Scientific Reports (2026). https://doi.org/10.1038/s41598-026-53090-6