O. Petkova, D. Petkov On the validation and legitimisation of an information system-some theoretical considerations and a case study. [Citation Graph (0, 0)][DBLP] South African Computer Journal, 2000, v:26, n:, pp:138-144 [Journal]
O. Petkova, J. Dewald Roode, D. Petkov A multiple perspectives evaluation of the factors affecting software development productivity in an outsourced IT project. [Citation Graph (0, 0)][DBLP] South African Computer Journal, 2000, v:26, n:, pp:45-52 [Journal]
D. Petkov, O. Petkova, T. N. Andrew, T. Nepal Mixing Multiple Criteria Decision Making with soft systems thinking techniques for decision support in complex situations. [Citation Graph (0, 0)][DBLP] Decision Support Systems, 2007, v:43, n:4, pp:1615-1629 [Journal]
D. Petkov, O. Petkova Editorial - Special Issue: Soft Systems Approaches to Information and Communication Technology problems. [Citation Graph (0, 0)][DBLP] Int. J. Comput. Syst. Signal, 2003, v:4, n:1, pp:3- [Journal]