Świstak, S., Papińska, J., Buziak, J., Lengier, M., Świderska, M., Małyszek, P., Pastuszak, F. C., Powęska, N., Zych, S., & Pielacha, J. (2026). HEART RATE ZONE-BASED TRAINING IN THE ERA OF WEARABLE TECHNOLOGIES: CARDIOVASCULAR ADAPTATIONS AND DIGITAL HEALTH IMPLICATIONS. International Journal of Innovative Technologies in Social Science, 1(3(51). https://doi.org/10.31435/ijitss.3(51).2026.5773