Yannibock, H.; Aboubakar; Njintang, Y. N. .; Mbofung, C. M. F. . Optimization of the Use of Beetroot (beta Vulgaris) for the Production of Green Energy. J. Ren. Energies 2017, 20 (2), 347-361. https://doi.org/10.54966/jreen.v20i2.632.