Asrori, Asrori, Sudjito Suparman, Slamet Wahyudi, and Denny Widhiyanuriyawan. “An Experimental Study of Solar Cooker Performance With Thermal Concentrator System by Spot Fresnel Lens”. Eastern-European Journal of Enterprise Technologies 5, no. 8 (107) (October 31, 2020): 31–41. Accessed November 23, 2024. https://journals.uran.ua/eejet/article/view/208638.