Essessinou, Raïmi Aboudou, Guy Degla, and Babacar Mbaye Ndiaye. 2021. “From Two to One Index Isomorphism in Optimization Program for Quarterly Disaggregation of Annual Times Series”. Theory and Practice of Mathematics and Computer Science Vol. 8, February, 167-81. https://doi.org/10.9734/bpi/tpmcs/v6/2438E.