Y.-L. Huamán-Romaní, “Techno-Economic Energy Optimization of the Off-Grid Electrical System with Power to Gas Storage Technology ”, IJIE, vol. 15, no. 4, pp. 248–258, Oct. 2023, Accessed: Aug. 07, 2026. [Online]. Available: https://journal.uthm.edu.my/index.php/ijie/article/view/13899