National program for accelerated development of information society in Bulgaria. - Plamen Vatchkov; Roumen Trifonov (CompSysTech, 2007)

Electronic governance act. - Plamen Vatchkov; Roumen Trifonov (CompSysTech, 2008)

National broadband program of the republic of Bulgaria. - Roumen Trifonov (CompSysTech, 2009)

Brain Neural Data Analysis Using Machine Learning Feature Selection and Classification Methods. - Lachezar Bozhkov; Petia Georgieva; Roumen Trifonov (EANN, 2014)

Neural Network Application in Financial Area. - Roumen Trifonov; Dilyana Valkova Budakova; Galya Pavlova (CompSysTech, 2017)

Manipulability and Kinematic Dependences of a Leg of the Six-Legged Robot. - Ivan Chavdarov; Roumen Trifonov; Galya Pavlova; Dilyana Valkova Budakova (CompSysTech, 2018)

Emerging and secured mobile ad-hoc wireless network (MANET) for swarm applications. - Antouan Anguelov; Roumen Trifonov; Ognian Nakov (BCI, 2019)

Trends Review of the Contemporary Security Problems in the Cyberspace. - Veneta Yosifova; Roumen Trifonov; Antoniya Tasheva; Ognian Nakov (BCI, 2019)

Obstacle avoidance algorithms for mobile robots. - Dilyana Valkova Budakova; Galya Pavlova; Roumen Trifonov; Ivan Chavdarov (CompSysTech, 2019)

Manipulability Analysis of Redundant Robotic Manipulator. - Lyubomira Miteva; Galya Pavlova; Roumen Trifonov; Kaloyan Yovchev (CompSysTech, 2020)

Recommendations Concerning the Selection of Artificial Intelligence Methods for Increasing of Cyber-Security. - Roumen Trifonov; Slavcho Manolov; Georgi Tsochev; Galya Pavlova (CompSysTech, 2020)

Analysis of the kinematic characteristics of a 3D printed finger of robotic humanoid hand. - Ivan Chavdarov; Ivaylo Georgiev; Lyubomira Miteva; Roumen Trifonov; Galya Pavlova (CompSysTech, 2021)

Why Use Evolving Neuro-Fuzzy and Spiking Neural Networks for incremental and explainable learning of time series? A case study on predictive modelling of trade imports and outlier detection. - Iman Abouhassan; Nikola K. Kasabov; George Popov; Roumen Trifonov (IS, 2022)

Predictive and Explainable Modelling in Economics on the Case Study of Remittance Prediction Using the NeuDen AI Computational Architecture. - Iman Abouhassan; Nikola K. Kasabov; Roumen Trifonov; George Popov (AIMSA, 2024)