A Research Study to Determine if Solar Dryer Technology for Preservation of Agro-Produce is Needed in Botswana. Global Journals of Research in Engineering, [S. l.], v. 20, n. A2, p. 23–34, 2020. Disponível em: https://engineeringresearch.org/index.php/GJRE/article/view/2059. Acesso em: 17 jun. 2026.