Design, Fabrication, and Performance Evaluation of a Small-Scale Hybrid Solar Thermal Parabolic Trough System with Auxiliary Gas Heating for Electricity Generation in Nigeria. njap [Internet]. 2026 Mar. 17 [cited 2026 Mar. 17];2(1):46-61. Available from: https://njap.nipngr.org/index.php/njap/article/view/35