The Freemium Business Model: Experimental Pricing Using Python in a Colab Environment. - Vitaliy Kobets; Dmytro Volyk; Vasyl Stratonov; Svitlana Koval (ICTERI, 2024)

A Hybrid Approach to RFM-D Analysis: Integrating Reinforcement Learning, Clustering and Classification for Dynamic Customer Segmentation. - Vitaliy Kobets; Dmytro Volyk; Yevheniia Spivakovska (ICTERI, 2025)