DOBRUDZHALIEV, Dragomir - IVANOV, Boyan. Design and management of biomass processing network for biodiesel production by using milp model : Part 2: case study: potentional biodiesel production from in Bulgaria. In Journal of information, control and management systems. - Žilina : Fakulta riadenia a informatiky Žilinskej univerzity v Žiline, 2014. ISSN 1336-1716, 2014, vol. 12, č. 1, s. 11-24.