Fidanova, Stefka, and Olympia Roeva. "InterCriteria Analysis of Different Variants of ACO algorithm for Wireless Sensor Network Positioning." Lecture Notes in Computer Science 11189 (2019).

Roeva, Olympia. "Application of Artificial Bee Colony Algorithm for Model Parameter Identification." In Innovative Computing, Optimization and Its Applications, 285-303. Springer, Cham, 2018.

Angelova, Maria, Olympia Roeva, and Tania Pencheva. Artificial Bee Colony Algorithm for Parameter Identification of Fermentation Process Model In 3rd International Conference on: Applied Physics, System Science and Computers, Lecture Notes in Electrical Engineering. Dubrovnik, Croatia, 2018.

Zoteva, Dafina, Vassia Atanassova, Olympia Roeva, and Eulalia Szmidt. "Generalized Net Model of Artificial Bee Colony Optimization Algorithm." In Neural Networks and Ap¬plications 2018 (ANNA?18). St. St. Konstantin and Elena Resort, Bulgaria, 2018.

Zoteva, Dafina, Olympia Roeva, and Vassia Atanassova. "Generalized Net Model of Artificial Bee Colony Optimization Algorithm with Intuitionistic Fuzzy Parameter Adaptation." Notes on Intuitionistic Fuzzy Set 24, no. 3 (2018): 92-104.

Andreev, Nikolay, Peter Vassilev, Vassia Atanassova, Olympia Roeva, and Krassimir Atanassov. Generalized net model of the cooperation between the Departments of transfusion Haematology and the National Centre of transfusion Haematology In Ad¬vances in Neural Networks and Applications 2018 (ANNA?18). St. Konstantin and Elena Resort, Bulgaria, 2018.

Fidanova, Stefka, and Olympia Roeva. Influence of Ant Colony Optimization Parameters on the Algorithm Performance In Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics). Vol. 10665., 2018.