PUTRI, R. E.; GURNING, M. E. P.; IFMALINDA, I.; OKTAVIONRY, P. Energy Analysis in the Production of Purple Sweet Potato Crackers. Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering), [S. l.], v. 13, n. 4, p. 1344–1351, 2024. DOI: 10.23960/jtep-l.v13i4.1344-1351. Disponível em: https://jurnal.fp.unila.ac.id/index.php/JTP/article/view/9808. Acesso em: 8 nov. 2025.