A Study of the Engagement of Ghanaian High School Students in Authentic Science Using Model Biodigesters - Rita Ortiz; Elizabeth Vicario; Kofi Acheaw Owusu; Allan Feldman; Jawaher Alsultan; Elijah Asare; Kebreab Ghebremichael; Sarina J. Ergas (International Journal of Science and Mathematics Education, 2025)