| 2025 | FedCSIS | A New Optimization Method for evaluating Sobol' Sensitivity Indices. | Venelin Todorov, Velichka Traneva, Stoyan Tranev, Mihai Petrov, Slavi G. Georgiev, Fatima Sapundzhi |
| 2025 | FedCSIS | A Confidence-Interval Circular Intuitionistic Fuzzy Zero Point Model for Optimizing Spare Parts Transfer in Smart Manufacturing Environments. | Velichka Traneva, Stoyan Tranev, Mihai Petrov, Venelin Todorov |
| 2025 | IJCCI | Comparison of Fully Electric SUV Cars by Using Interval-Valued Proportional Spherical Fuzzy Analytic Hierarchy Process. | Cengiz Kahraman, Velichka Traneva, Stoyan Tranev |
| 2025 | IJCCI | An Elliptic Intuitionistic Fuzzy Model for Evaluating Habilitated Academic Staff Productivity in Higher Education. | Velichka Traneva, Cengiz Kahraman, Stoyan Tranev, Venelin Todorov |
| 2023 | FedCSIS | An Elliptic Intuitionistic Fuzzy Portfolio Selection Problem based on Knapsack Problem. | Velichka Traneva, Petar R. Petrov, Stoyan Tranev |
| 2023 | FedCSIS | An Elliptic Intuitionistic Fuzzy Model for Franchisor Selection. | Velichka Traneva, Stoyan Tranev |
| 2022 | FedCSIS | Intuitionistic Fuzzy Model of the Hungarian Algorithm for the Salesman Problem and Software Analysis of a Shipping Company Example. | Velichka Traneva, Deyan Mavrov, Stoyan Tranev |
| 2022 | FedCSIS | Software Implementation of the Optimal Temporal Intuitionistic Fuzzy Algorithm for Franchisee Selection. | Velichka Traneva, Deyan Mavrov, Stoyan Tranev |
| 2022 | WCO | An Application of the Intuitionistic Fuzzy Approach to the Hungarian Algorithm for the Travelling Salesman Problem. | Velichka Traneva, Deyan Mavrov, Stoyan Tranev |
| 2022 | WCO | An Application of the Temporal Intuitionistic Fuzzy Algorithm for Franchisee Selection in a Fast-Food Restaurant Chain. | Velichka Traneva, Stoyan Tranev, Deyan Mavrov |
| 2021 | FedCSIS | Two-Stage Intuitionistic Fuzzy Transportation Problem through the Prism of Index Matrices. | Velichka Traneva, Stoyan Tranev |
| 2021 | FedCSIS | Interval-Valued Intuitionistic Fuzzy Decision-Making Method using Index Matrices and Application in Outsourcing. | Velichka Traneva, Stoyan Tranev, Deyan Mavrov |
| 2020 | FedCSIS | Intuitionistic Fuzzy Hamiltonian Cycle by Index Matrices. | Velichka Traneva, Stoyan Tranev |
| 2020 | FedCSIS | Intuitionistic Fuzzy Transportation Problem by Zero Point Method. | Velichka Traneva, Stoyan Tranev |
| 2020 | FedCSIS | Zero Point Approach to Three-Dimensional Intuitionistic Fuzzy Transportation Problem. | Velichka Traneva, Stoyan Tranev |
| 2020 | FedCSIS | On Index-Matrix Interpretation of Interval-Valued Intuitionistic Fuzzy Hamiltonian Cycle. | Velichka Traneva, Stoyan Tranev |