Mustofa M, Iskandar I, Rahman YA, Muchsin M, Medi G, Rusdi M, et al. Experimental investigation of the output power of PV panels combined with circular configuration TEG modules using LED bulb loads. protk [Internet]. 2025 Sep. 14 [cited 2026 Jun. 13];12(3):208-12. Available from: https://ejournal.unkhair.ac.id/index.php/protk/article/view/10368