This is very interesting article - "Combine Fundamental And Technical Analysis Strategies in MQL5 For Beginners" - https://www.mql5.com/en/articles/15293
Interesting article was recently published - "Using optimization algorithms to configure EA parameters on the fly" - https://www.mql5.com/en/articles/14183
GOLD (XAU/USD): range price movement by United States Consumer Price Index news event (the source: GOLD (XAU/USD): range price movement by United States Consumer Price Index news event )
Interesting article was recently published - "Developing a multi-currency Expert Advisor (Part 1): Collaboration of several trading strategies" - https://www.mql5.com/en/articles/14026
The other interesting article (about Machine Learning) - "Data Science and ML (Part 23): Why LightGBM and XGBoost outperform a lot of AI models?" - https://www.mql5.com/en/articles/14926