Nurul Amalia Silviyanti Siswoyo, Nurul Amalia Silviyanti Siswoyo, and Rinaldy Harjo Purnomo Rinaldy Harjo Purnomo. “Influence of Adding a Convex Lens As a Solar Concentrator on the Performance of Solar Cooker With an Octagonal Panel: Nurul Amalia Silviyanti Siswoyo and Rinaldy Harjo Purnomo”. Jurnal Fisika dan Aplikasinya 19, no. 3 (May 8, 2025). Accessed July 31, 2026. https://journal.its.ac.id/index.php/jfa/article/view/3079.