Kurniadi, E., Carnia, E. and Napitupulu, H. 2021. The Existence of Affine Structures on the Borel Subalgebra of Dimension 6. ComTech: Computer, Mathematics and Engineering Applications. 12, 1 (May 2021), 45-52. DOI:https://doi.org/10.21512/comtech.v12i1.6581.