Adryan Fitra Azyus, et al. “Remaining Useful Life Prediction of Turbofan Engines Using CNN-GRU: A Comparative Study on C-MAPSS Dataset ”. Journal of Mechanical, Civil and Industrial Engineering, vol. 6, no. 1, Feb. 2025, pp. 19-27, https://doi.org/10.32996/jmcie.2025.6.1.3.