LUKMA, H. N.; YUANA, H. Design and Development of Solbag: An Innovative and Sustainable Learning Bag by Integration of Renewable Energy Technology. Open Science and Technology, [S. l.], v. 5, n. 2, p. 106–116, 2025. DOI: 10.33292/ost.v5i2.174. Disponível em: https://opscitech.com/journal/article/view/174. Acesso em: 3 feb. 2026.