Ramyar Ahmed Othman, and Fadhil T. Aula. “Design and Analysis of the Dual Axis Tracking System for Solar Thermal Concentrator in Erbil City Using Arduino Controller”. Zanco Journal of Pure and Applied Sciences 35, no. 3 (June 15, 2023): 47–58. Accessed July 3, 2024. https://zancojournal.su.edu.krd/index.php/JPAS/article/view/555.