Gaston Nsavyimana; Salvator Kaboneka; Casimir Harerimana; Chema Keffala; Marc Elskens; Théophile Ndikumana; Jean Luc Vasel. A New Mathematical Model for the Accurate Determination of Volatile Fatty Acids Concentration in Anaerobic Digesters. IJASRE 2020, 6, 67-84.