Surguladze, G. , Petriashvili, L. , Topuria, N. , Surguladze, G. (2015). 'Modelling of Designing a Conceptual Schema for Multimodal Freight Transportation Information System'. World Academy of Science, Engineering and Technology, Open Science Index 107, International Journal of Computer and Information Engineering, 9(11), 2320 - 2323.