Estimation of thermophysical property of hybrid nanofluids for solar Thermal applications: Implementation of novel Optimizable Gaussian Process regression (O-GPR) approach for Viscosity prediction. - Humphrey Adun; Ifeoluwa Wole-Osho; Eric C. Okonkwo; Tonderai Ruwa; Terfa Agwa; Kenechi Onochie; Henry Ukwu; Olusola Bamisile; Mustafa Dagbasi (Neural Comput. Appl., 2022)